(Q).
If several different pollutants harm the respiratory and circulatory systems, then what systems are pollutants bad for? Answer choices: - destroying life - classification system - an organism's body - respiratory and circulatory - animal habitats - ambulatory systems - social security system - the environment
(A).
respiratory and circulatory

(Q).
If pulling and pushing an object will increase its speed, then pushing and pulling an object will increase its what? Answer choices: - Lift - kinetic - weight - motion - speed - direction - color - muscles
(A).
speed

(Q).
If bromeliads and cacti have adapted to very dry environments, then bromeliads and cacti have adapted to very _ environments.? Answer choices: - dry - wet - arid - cold - UV - warm - humid - fern
(A).
dry