Silicates are a group of minerals that contain what two elements?
A. silver and gold
B. silicon and oxygen
C. carbon and sodium
D. hydrogen and helium

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

What best describes the structure of the declaration of independence?

Which of the following is a good definition for the word adaptation? question 1 options: a trait that an organism survive and reproduce in its environment. a change in an organism's environment. the way in which animals obtain food. a temperature change that can cause the extinction of plants and animals.