Which type of investigation is lised to compare two subiects? Comparative
Experimental
Descriptive

question1

1,000 tons

question2

3: 8

question 3

store d

step-by-step 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.

this would be about 43%