These settings approximate present-day conditions, but should not be taken as exact values. A. What is the total amount of carbon removed from the atmosphere each year by the ocean and land plants? B. What is the total amount of carbon added to the atmosphere from soil and the burning of fossil fuels? C. How much will atmospheric carbon change in one year? In 10 years? In 100 years?

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

Describe the layers of the suns atmosphere?

The embryos of a bird, a reptile, and a mammal are similar in appearance. how does comparing the physical appearance of embryos of different species support the theory of evolution? a. it shows that these organisms share a common ancestor. b. it provides evidence that these organisms eat the same foods. c. it shows that these organisms share the same habitat. d. it provides evidence that these organisms suffered a genetic mutation.