Calculate For the reaction described in question 30 the concen -tration of CH 3 CHO is found to increase from 0.0300 mol /L . to 0.0500 mol /L in 42.5 seconds . Express the average rate the reac -tion in 0.0300mol / L 0.0500mol / L mol CH3CHO duced/L* s.

true

explanation:

the skeletons of most mammals reach a certain size and then stop growing. however, many animals, including some mammals, keep growing throughout their lives. kangaroos, for example, just keep growing and growing until they die. also, the longer an animal lives the greater the chance it might catch some deadly disease.

3. dark matter

empty space could also be a simple vacuum