Answers: 3
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
Biology, 22.06.2019 11:30, reese12345
Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above
Answers: 2
Biology, 22.06.2019 14:30, rallen1158
The human body needs energy in order to carry out life processes such as breathing. where does the body get this energy? a. from eating food b. from learning about new things c. from lying in the sun d. from sleeping
Answers: 1
Biology, 22.06.2019 14:50, trishinada63
What do we call an individual that has inherited two identical alleles for the same trait? a. homozygous b. heterozygous c. monozzygous
Answers: 2
How is a tissue different from an organ? how are they similar?...
Mathematics, 30.09.2019 20:40
Mathematics, 30.09.2019 20:40
History, 30.09.2019 20:40
Mathematics, 30.09.2019 20:40
Chemistry, 30.09.2019 20:40