The statement that sedimentary rock layers tend to be younger than the

layers below them is called the

a. theory of relativity

b. principe of uniformitarianism

c. law of superposition

d. law of relative age

Elements bond together to make molecules essential for living things. Which of the following is used in organism as storage compounds, cell formation and also used to build macromolecules? Nitrogen Carbon Phosphorus Hydrogen

What is wrong with the following chemical equation? How could you fix it? CH4 + O2 - - - > CO2 + 2H2O

How does educating women affect birthrates worldwide?

What would happen if your backbone was injured at your waste

Why is it correct to say that only green plants do photosynthesis but not correct to say that only animals do respiration?

Biogeographic isolation separates of a species through geographical and biological forces.

The scientists that first described the structure of DNA were:

8 tell how can your health triangle become unbalanced and how can this imbalance affect your health

Who would decide whether scientist should pursue research that possess ethical dilemmas?

Scientists use specific levels of organization in order to analyze the biosphere. The Everglades are a large area of subtropical wetlands found in Florida.