Small openings called vacuoles allow carbon dioxide to enter a leaf.

True or false

A horizontal line on the velocity vs. time graph indicates a constant, positive acceleration. True or False 50 pts for it : D

Which describes the livor mortis found on mr. blackwell?

What is the accumulation of differences between species or populations?

Explain the concept of natural selection.

A generator contains a coil that spins to produce an electric current. How is energy transformed by using a generator? 1. Thermal energy is transformed to potential energy. 2. Thermal energy is transformed to mechanical energy. 3.

Dna strands are held together by

Coal is the biggest source of electricity production. Discuss some of the effects of coal mining and use for power? How can you reduce the amount of coal used for electricity production?

True or false the grain group includes, cereal, rice, pasta, and grits

Read the paragraph, and then answer the question. The solid part of Earth is made of huge chunks called plates. These plates sometimes move. When this happens, earthquakes may occur.

I am living thing and i can carry out all life processes. what am i?