DOES EXERCISE HELP PREVENT A HEART ATTACK? can somebody please help me answer this question rn like i need it and it’s environmental science btw

Identify the main component f natural gas

Which statement is the best summary of the model? a-a series of aerobic and anaerobic reactions take place in cells b- the sun's energy moves through trophic levels in a food chain c-light energy is converted into stored chemical energy plants.d- food molecules are broken down in the cells if living things.

The offspring of a black cat and a white cat is a gray cat, it has the genotype bw if a black cat mates with a gray cat the chance that the offspring is white will be what percent?