Biology, 18.12.2019 00:31 jordandabrat

Why does a year consist of 365 days and a day of 24 hours?

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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.

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Biology, 22.06.2019 05:30, angelesramos112

One important development during the 3rd trimester that will insulate the infant against changes in temperature is a. the deposition of fat under the skin b. the closing of the septum between c. the atria of the heart d. the beginnings of lung functioning e. the beginnings of light and sound sensing

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Biology, 22.06.2019 06:20, shelbyp2003

You see a white marker with an orange circle and black lettering. what does this marker tell you

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Biology, 22.06.2019 11:00, ayoismeisalex

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.