Biology, 03.03.2021 22:10 Savannahh8503
Humans affect Earth in many ways. The use of fossil fuels, the clear-cutting of forests, and controlled burns can affect
the carbon cycle.
Which process can help counteract these human interactions?
O photosynthesis
O respiration
O decomposition
O transpiration
Answers: 2
Biology, 22.06.2019 03:00
How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half
Answers: 2
Biology, 22.06.2019 05:40
Why do we perceive objects as retaining their brightness under different lighting levels?
Answers: 1
Biology, 22.06.2019 11:00
Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.
Answers: 1
Biology, 22.06.2019 14:50
The ultimate purpose of respiration: a. inhale 02 and exhale co2 b. place oxygen in the lungs c. place oxygen in the blood d. deliver oxygen to every blood cell
Answers: 3
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