Ascientist wants to find out how fast a cheetah can run what tools should he or she use? explain.

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

Vaccines are weakened forms of disease causing microorganisms, which are given to patients to prevent disease. after the vaccine is administered, the immune system responds by creating a(n) to recognize the a.) antibody, antibiotic b.) antigen, antibody c.)antibiotic, antibody d.)antibody, antigen

How and why organisms are hierarchically classifies