Biology, 28.06.2019 07:00 juliannabartra
Which of the following is a cost of mining aluminum from new bauxite deposits in tropical areas? a. preserving remaining aluminum reserves. b. transporting a relatively heavy metal. c. threatening rain forest organisms. d. producing toxic salt cake.
Answers: 2
Biology, 21.06.2019 15:50
Providing immunity by injecting the body with a weakened form a pathogen is known as
Answers: 3
Biology, 22.06.2019 01:30
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 08:30
Which best describes a benefit of using dna technology in medicine? a) medicine can be produced in mass quantities. b) medicine can be distributed at a reduced cost. c) medicines have fewer side effects. d) medicines are resistant to antibiotics.
Answers: 3
Biology, 22.06.2019 15:10
What do your cells need to live? a. carbon dioxide b. carbon c. air d. oxygen
Answers: 2
Which of the following is a cost of mining aluminum from new bauxite deposits in tropical areas? a...
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