Biology, 07.10.2020 16:01 JamesLachoneus
Identify the variables in this hypothesis. If a person’s use of cigarettes increases, then the person’s lung function will decrease because the chemicals in cigarettes damage lung tissue and make it difficult to breathe. The independent variable is . The dependent variable is .
Answers: 2
Biology, 21.06.2019 22:00, iwantcandy2002
Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the
Answers: 1
Biology, 22.06.2019 01:30, sharondot2398
Which best explains how a heat pump can heat a room? cold air from the house is moved through pipes, where it absorbs thermal energy. warm air from outside is pushed into the house to replace the cold air. combustion warms the air when chemical energy is transferred to thermal energy. fuel is used to move a piston, which pushes warm air into the house.
Answers: 1
Identify the variables in this hypothesis. If a person’s use of cigarettes increases, then the perso...
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