The first organisms on Earth included

A. complex multicellular organisms.
B. dinosaurs.
C. algae.
D. trilobites.


Answer: C

Environmental & Atmospheric Sciences

You might also like to view...

Exfoliation domes are formed from which of the following processes?

A) sheeting B) oxidation C) melting D) metamorphism

Environmental & Atmospheric Sciences

Which of these is NOT a variable gas in Earth’s atmosphere?

A. carbon dioxide B. ozone C. methane D. water vapor E. oxygen

Environmental & Atmospheric Sciences

An imaginary continent extends from the equator to 50°S. It is about as wide as the continental United States. Describe the likely pattern of isotherms showing the average annual temperature ranges

What will be an ideal response?

Environmental & Atmospheric Sciences

What kind of pollution source is a golf course that produces runoff with high nitrogen concentrations?

What will be an ideal response?

Environmental & Atmospheric Sciences