Biology, 18.08.2019 21:00 mtmtcow1122
When hot and cold air meet, the hot air rises to the top. which process causes the hot air to rise? a. conduction b. convection c. induction d. radiation im not really sure what the answer is.
Answers: 2
Biology, 21.06.2019 18:30
What type of cell is produced after fertilization occurs and the gametes combines ?
Answers: 1
Biology, 22.06.2019 02:00
For a comparative or experimental investigation, scientists often make a testable about a scientific question, and then they test it in the investigation. a.control b.hypothesis c.procedure d.system
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Biology, 22.06.2019 02:30
Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.
Answers: 1
Biology, 22.06.2019 06:30
Which statement describes a way in which the digestive and excretory systems work together? a. the nephrons absorb nutrients from food going to the large intestine. b. the excretory system balances blood gases in the small intestine. c. the intestinal villi filter blood and send wastes to the bladder. d. the excretory system balances the salts and water obtained from digested food
Answers: 1
When hot and cold air meet, the hot air rises to the top. which process causes the hot air to rise?...
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