Which factor explains why coal dust is explosive?

temperature

surface area

concentration

addition of catalyst

Are brown bears and polar bears members of the same species? What do you think? Write a hypothesis. Then, describe at least two ways you would investigate the hypothesis.

After a long time, a mature community is established and this community does not change unless it is

How would inbreeding affect allele frequencies and genotype frequencies in a population?

How do you think humans have impacted technology?

What are the two main types of energy?

How are traits inherited by offspring?

In homeotic mutants: Group of answer choices one body structure is missing. one body structure has been changed into another. one body structure has been duplicated. one body structure has significantly increased in size. the organism is infertile.

What effect of acid rain on a ecosystem is

What is a valid reason for making efforts to maintain the biodiversity of the planet earth? A Biodiversity makes ecosystems stronger, more stable, and more resiliant to environmental change.

Justin says that venus and jupiter are similar planets in our solar system. amanda argues that the two planets are actually very different from each other. who is correct? why is that person correct?