Why do molecules tend to move from regions of high concentration to regions of low concentration?

What are some chemical changes at school

What are the names of the three seismic waves? (List and describe)

How are folded mountain and volcano alike

Why is the weight of an object more on earth then on the moon?

What two groups are minerals divided into based on their chemical composition

What organelle stores DNA in eurkaryotic cells?

What two genotypes would show as a dominant trait?

Lymphoma is a disease that prevents the lymph nodes from functioning properly. which would be a result someone having this disease a) they would be more likely to be harmed by common viruses b) they would be less likely to catch a cold or a flue c)

When energy is realesed during a chemical reaction what is it called?

The atmosphere contains tiny solid particles called