Answer:
Chlorophyll A, and B.
Explanation:
Chlorophyll is known as the green pigment which is present in plants. Through the process of photosynthesis, It helps to convert solar light into useful energy. They have light absorption properties, so they are known as photoreceptors. Mainly two types of Chlorophyll are present in plants:
Chlorophyll A: It Is known as the primary photosynthetic pigment and has the ability to absorbs red, blue, and violet lights. Chlorophyll A is the location of the photochemical processes and can absorb light which is needed for the process of photosynthesis.
Chlorophyll B: It mainly helps to absorb blue light which is utilized to fill out the absorption of chlorophyll A it means it helps to supply additional light energy to chlorophyll A. It is known as the accessory pigment.
Answer:
sourced from wiki
Explanation:
Cellular respiration is a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from oxygen molecules or nutrients into adenosine triphosphate (ATP), and then release waste products.
I thought it was (d) but I might be wrong
Answer:
D
Explanation:
The scientists agree that there has been a steady rise in global temperatures since 1800s. They also agree that this is due to anthropogenic activities that have increased the amount of greenhouse gases in the atmosphere. There is also consensus that global wamring which powers climate change can be linked to severe weather events. It is agreed that this trend can be reversed if individuals countries, and collectively, there are mitigations in the emission of greenhouse gases.
<span>ANSWER: Radiometric dating shows the rate of decay of radioactive material present in any objects. Scientists can use that data to find the absolute age of the fossil.
The radioactive carbon method is a method used to determine the age of the fossil based on the ratio of the number of atoms of stable carbon isotope 12C and the radioactive isotope 14C. <span>During their lifetime, plants or animals exchange carbon with their environment, so the carbon-containing it will have the same percentage of 14C as well as the atmosphere. When a plant or animal dies, it ceases to collect 14C, but 14C within its biological material at that moment will continue to decompose. So, the ratio of 14C and 12C in residues will gradually decrease. Since the rate at which the 14C decay is known, the percentage of radiocarbon can be used to determine the time period that has passed since the sample was given to stop exchanging carbon with the environment (older sample - less 14C).</span></span>