What organisms apart from algae would have needed to be present to remove carbon dioxide from the early atmosphere?

2. A construction consultant may be responsible for

How do you think light is different from sound?

What term defines the specific amount of time required for half of a radioactive substance to become stable? a. half-life b. decay phase c. decay period d. a gamma second

The Gravitron is a ride that rotates around a central axis until it reaches a certain velocity and the riders are pinned to the walls. Once this occurs, the floor is lowered until the riders are suspended above the floor.

The school is about 1500 m away. you run toward the school with an average velocity of 3 m per sec. how long did it take you to get to school in seconds

Does temperature affect the dissolving phase?

In a clear, coherent, paragraph-length answer, explain why the speed of the apple half way between the release and the maximum height is not half the initial speed.

In pea plants Round (R) is a dominant trait and wrinkled nose (r) is a recessive trait. Which combination would result in wrinkled seeds? 1. RR 2. Rr 3. rr 4. ww

According to the article, data from scientific observations fulfill what three functions

What are the three ways that an object can accelerate