How long have humans been recording sunspots

Which two species of trout are most closely related

State the major processes of the urinary system and describe the activity of each process.

What are the monomers of Carbohydrates

hemophilia is an X-linked recessive trait. If a female carrier for hemophilia marries a normal male. If they produce a son, what are the chances he will have hemophilia

Are extinctions normal?

This is the process by which information from a gene is used in the synthesis of a functional gene product. These products are often proteins.

An example or inference

What is found in between the bases of dna

When volcanoes erupt, they spew out tiny particles of matter and gases, in addition to lava. Choose two spheres that this could impact and explain how they would be affected.

How does science use fossil evidence tofo support the theory of evolution