PLEASE HELP WITH 1(a)and (b) !!! it u spam u will be reported ! will be marked as brainlist if correct

Rocks can be classified in to three main groups - igneous, sedimentary and metamorphic. These three different rock types can be found in distinct areas of the UK.

Igneous rocks - these rocks are a result of volcanic activity in the past, when Britain was close to a plate boundary. Some of the igneous rocks are due to lava erupting at constructive plate boundaries. When the lava reached the surface, it cooled and solidified to form basalt rock. An example of this is the Giant's Causeway in Northern Ireland.

Other rocks are formed by hot molten magma beneath the Earth's surface cooling and solidifying as an intrusive rock under the ground, such as granite. This is later exposed as the rocks above are weathered and eroded at the Earth’s surface.

Sedimentary rocks – these are made up of small particles of sand and rock, which have been transported by the wind, rivers and ice and are usually deposited on lake or seabed. Over many millions of years, successive layers of sediments accumulate. These layers of sediments are compressed by the weight of the deposits above, into sedimentary rocks. These rocks form in layers, known as bedding planes.

When sand is compressed it forms sandstone. When mud is compressed it becomes clay. Limestone and chalk come from the remains of dead plant, animal and marine species and are rich in calcium carbonate and contain fossils. Many of these rocks were formed over 300 million years ago, in warm tropical seas during the carboniferous period. The existence of these rocks is evidence that Britain was at a different latitude compared to today. This suggests movement of continental areas of the globe, which is explained by the modern theory of plate tectonics.

Metamorphic rocks - these are rocks that have been changed in shape and form by intense heat and pressure at a plate boundary or along a fault line. These rocks start as either igneous or sedimentary rocks and are crystallised under the intense heat and pressure conditions to form rocks such as slates, schists, and marble. These rocks are very hard in nature and are often used as roof material.

short answer

The three main rock types are igneous, metamorphic and sedimentary. The three processes that change one rock to another are crystallization, metamorphism, and erosion and sedimentation. Any rock can transform into any other rock by passing through one or more of these processes. This creates the rock cycle.

In the image, we can see antibodies with antigens attached.

The antibodies help us to fight pathogens by binding and recognizing pathogens (C and D), the binding can tag the pathogen to let know other cells of the immune system or it can directly deactivate the pathogen.

Answer:

Yellow bone marrow stores fat

Explanation:

Yellow bone marrow is made mostly of fat and contains stem cells that can become cartilage, fat, or bone cells.

While

Red bone marrow contains blood stem cells that can become red blood cells, white blood cells, or platelets.

Answer:

The answer is number 4!

Explanation:

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Answer:

Intensified

Explanation:

The effects of a perturbation on a system include an increase in the magnitude of the perturbation.

Answer:

Binocular vision

Explanation:

Vision can be explained as an ability to see directly some things that can be a threat or of benefits . It can also be explained as the ability to sense or perceive threat or danger, or something good.

In this case, binoculars vision is a situation of sensing threats or dangers from a very distant place through the help of the brain. Most times, the brain will be able to sense dangers from the interpretation it gathered from what it saw earlier, before the person is involved in the act.

The options that are characteristics of double-stranded DNA are the backbone of one strand binds to the backbone of the adjacent strand,  Hydrogen bonds holding together the two strands, and Nitrogen bases projecting toward the outside of the helix. Here options C, D, and E are the correct answers.

Double-stranded DNA (dsDNA) is a two-stranded polymer of nucleotides that forms a double helix structure, which is held together by hydrogen bonds between the nitrogenous bases of the two complementary strands.

The two strands run in opposite directions, with the backbone of one strand binding to the backbone of the adjacent strand. The nitrogen bases, which carry the genetic information, project towards the outside of the helix, and they are paired up in a specific way, Adenine (A) with Thymine (T) and Cytosine (C) with Guanine (G) through hydrogen bonds.

The primary building block of DNA is nucleotides, which are made up of a nitrogenous base, a sugar, and a phosphate group.

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The process of photosynthesis directly involves the cycling of matter as it converts the radiation energy from the sun to stored chemical energy.

Photosynthesis may be defined as a type of process through which green plants and some photosynthetic algae synthesize their own in the form of glucose food with the help of carbon dioxide and water in the presence of sunlight.

The complete reaction of photosynthesis is as follows:

Apart from photosynthesis, the mechanism of cellular respiration directly involves the cycling of matter.

This is because the reactants of cellular respiration are the products of photosynthesis and the reactants of photosynthesis are the product of cellular respiration.

The process of cellular respiration involves the derivation of energy from complex food molecules in the presence of oxygen.

Therefore, the process of photosynthesis directly involves the cycling of matter as it converts the radiation energy from the sun to stored chemical energy.

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a) The percentage abundance determines how much we have the isotope.

b) The relative atomic mass is 122.5 amu

c) The Rutherford's model explained the atom.

It is clear that the isotope that we know are the atoms of an element that has the same atomic number but they do not have the same mass number. The implication of this is that the elements that are in question have many atoms of the element but they are not exactly alike as we would have expected.

Given that we have the element X we can be able to write that;

Relative atomic mass = Weighted average of all the isotopes

As such we have;

(121 * 0.432) + (123 * 0.531) + (129 * 0.0370)

52.27 + 65.31 + 4.773

=122.35 amu

The Rutherford's model gives a good idea about the way that the atom of the element may look like and this is the entire idea of the model to help us to make sense of the atom.

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Answer:

Offspring therefore inherit one genetic allele from each parent when sex cells unite in fertilization. 2) The Law of Independent Assortment: Genes for different traits are sorted separately from one another so that the inheritance of one trait is not dependent on the inheritance of another.

Explanation:

you know ;)

Answer: The Law of Segregation: Each inherited trait is defined by a gene pair.  

The Law of Independent Assortment: Genes for different traits are sorted

Explanation:

Water content, ion content and blood sugar levels of the body need to be maintained, along with temperature.

In biology, homeostasis refers to the state of constant internal, physical, and chemical conditions maintained by living systems. This is the optimal state of the organism's functioning, and it includes many variables, such as body temperature and fluid balance, that must be kept within certain pre-set limits.

Homeostasis involves the receptor, the control center, and the effector. The receptor receives information about the changing environment, which is processed by the control center.

Homeostasis ensures that optimal conditions for enzyme action and all cell functions are maintained throughout the body. It refers to the maintenance of a consistent internal environment in the face of changing internal and external conditions. Controlling blood glucose concentrations in the human body is one of these.

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Answer: An interaction between the biosphere and the geosphere

Answer

the 3d question,  An interaction between the biosphere and the geosphere

Explanation:

Answer:

the one that its is found in dna that is where everthing is found

Explanation:

Answer:

It is a nucleic acid. It is found in DNA. It is used to build an organism’s structures. It allows parents and their young to have similar characteristics.

Answer:

Cytosol

Chloroplasts

Endoplasmic reticulum

Mitochondria

Explanation:

These are the locations in which ribosomes can be found inside the cell

Answer:

They accumulate in the bilge, the lowest part of the boat. Both gasoline and propane fumes are heavier than air. For that reason it's very important that the bilge of a boat has sufficient ventilation.

Among all the known hominid skulls, the skull of Homo sapiens most closely resembles the modern human skull.

However, it's worth noting that there are some anatomical differences between the modern human skull and the skulls of our earlier hominid ancestors, such as a larger brain case and smaller brow ridges in modern humans. Additionally, there are also some regional variations in the human skull, such as differences between skulls of people from different geographic regions or ethnic groups.

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Answer:

4 one is 2 2one3

Explanation:

During the evolution of cetaceans, changes in hind limb structure occurred before the origin of tail flukes. Cetaceans, which include whales, dolphins, and porpoises, evolved from terrestrial ancestors that lived approximately 50 million years ago.

As they transitioned from land to the aquatic environment, cetaceans underwent numerous adaptations to thrive in their new habitat.

The early stages of cetacean evolution involved modifications in the hind limb structure. Fossil evidence reveals that early cetaceans, such as Ambulocetus and Pakicetus, possessed well-developed hind limbs adapted for locomotion on land. These limbs were used for walking and supporting the body weight on land.

As cetaceans gradually adapted to an aquatic lifestyle, their hind limbs underwent significant changes. Over time, their hind limbs became smaller and less functional, eventually evolving into internal structures, often referred to as vestigial limbs. These vestigial limbs, consisting of tiny bones, are remnants of their terrestrial ancestors' hind limbs.

The origin of tail flukes, on the other hand, occurred later in cetacean evolution. Tail flukes are specialized structures at the end of the tail that aid in propulsion and maneuvering in the water. They provide the powerful thrust necessary for cetaceans to swim efficiently. The development of tail flukes required further modifications in the musculature, connective tissues, and skeletal structure of the tail region.

In conclusion, changes in hind limb structure occurred before the origin of tail flukes during the evolutionary transition of cetaceans. The adaptation of hind limbs to a more streamlined and reduced form was an early step in their journey towards becoming fully aquatic animals, while the evolution of tail flukes came later, providing cetaceans with enhanced swimming abilities in their marine environment.

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Answer:

Three layers of membranes known as meninges protect the brain and spinal cord. The delicate inner layer is the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that cushions the brain. The tough outer layer is called the dura mater.

Answer:

Three layers of membranes known as meninges protect the brain and spinal cord. The delicate inner layer is the pia mater. The middle layer is the arachnoid, a web-like structure filled with fluid that cushions the brain. The tough outer layer is called the dura mater.

Peyer's patches is located at the end of the small intestine.

Named after the 17th-century Swiss anatomist Johann Conrad Peyer, Peyer's patches (or aggregated lymphoid nodules) are arranged lymphoid follicles. They are a significant component of gut-associated lymphoid tissue and are often located in the distal jejunum and ileum of the small intestine in humans. However, they have also been reported to be present in the duodenum. Observable Peyer's patches are elongated thickenings of the intestinal epithelium that are a few centimeters long. Humans contain about 100 of these. When viewed under a microscope, Peyer's patches are oval or circular lymphoid follicles that extend into the ileum's submucosa layer and resemble lymph nodes.

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Answer:

This concept is called the theory of plate tectonics.

Explanation:

Answer:

Glucose + Oxygen (O 2)Explanation:

Human muscle cells are facultative anaerobes that perform lactic acid fermentation when oxygen is depleted from muscle tissues. The products of Alcoholic Fermentation are Ethanol + Carbon Dioxide (CO2).

It is the type of respiration that takes place in the absence of oxygen.

Alcoholic fermentation is  biotechnological process that is  accomplished by the  yeast with  some types of  the bacteria or even  few more microorganisms to  just convert  the sugars into  the ethyl alcohol with carbon dioxide.

The products are of types as alcohol with glycerol and even the carbon dioxide from the yeast fermentation of  many such various sugars as the  butyl alcohol with acetone with  lactic acid with monosodium glutamate  and even the  acetic acid from  such various bacteria and citric acid, gluconic acid and  some small amounts of the  antibiotics with  vitamin B12 and riboflavin (vitamin B2).  

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The statement which best describes the chart is Heat was added to create the product.

What is activation energy?

In the potential energy diagram, the height of the hill between the reactants and the products represents the activation energy for a reaction. The activation energy barrier is another name for the activation energy of a reaction. It is denoted by Ea.

How to reach the activation energy barrier?

Molecules become more energetic and move more quickly as the temperature rises. Therefore, the likelihood that molecules will be moving with the required activation energy for a reaction to occur upon collision increases with increasing temperature.

The statement which best describes the chart is Heat was added to create the product.

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Answer: B.Heat was added to create the product.

Answer:

False

Explanation:

An enzyme consists of two sites. (See attached file)

Many chemicals inhibit the activity of enzymes by binding to the allosteric site. This inhibition is called allosteric inhibition.

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Answer:

B. form, function, behavior

Explanation: