Which type of fossil contains little or no organic material
a-imprinted in stone
b-bur...
Biology, 27.11.2019 05:31, faithtaylor365
Which type of fossil contains little or no organic material
a-imprinted in stone
b-buried in tar pits
c-encased in ice
d-encases in amber
Answers: 1
Biology, 21.06.2019 15:00, jaustin1961
Which of the following is not a benefit of green revolution? a) new crop varieties b) increased crop yields c) cost effective d) new crops may require larger amonts of water than the previous ones.
Answers: 2
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 09:10, kaciebrin211
Hormones are chemical molecules produced by endocrine glands. one such endocrine gland is the thyroid gland, which synthesizes the thyroid hormone, which in turn affects the heart muscles. which two statements describe the probable reason for the function of the hormone? the cells in the heart have specific receptors that allow for the intake of hormones. the heart and the endocrine glands have the exact same types of cells. all cells make the same types of hormones. thyroid hormones show their effect on the heart by means of specialized cells. thyroid cells and cardiac cells have different dna.
Answers: 1
Biology, 22.06.2019 10:00, vadrian4056
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers: 1
Mathematics, 03.07.2020 14:01
History, 03.07.2020 14:01
English, 03.07.2020 14:01
Computers and Technology, 03.07.2020 14:01
Mathematics, 03.07.2020 14:01