Biology, 31.07.2019 16:30 gabriellaalvarez84
The organisms on earth do not run out of raw materials because: a)every food chain begins with a producer b)all raw materials are recycled by various processes in an ecosystem c)all populations within a community interact d)energy cannot be created
Answers: 1
Biology, 21.06.2019 22:00, maggie3541
Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.
Answers: 1
Biology, 22.06.2019 00:10, maxy7347go
Describe the response the kidneys have to dehydration and excessive water intake. what happens to the concentration of urine in each case ?
Answers: 1
Biology, 22.06.2019 00:10, rameseshajj
Which would happen if more forests were cut down? a. the nitrogen cycle would be stopped b. nitrogen would be fixed by bacteria more quickly c. the amount of co2 in the atmosphere would increase d. fossil fuels would build up in the soil c the amount of co2 in the atmosphere would increase
Answers: 1
Biology, 22.06.2019 04:30, dondre54
African penguins, which inhabit the coasts of southern africa, were classified as an endangered species in 2010. two significant threats to their survival are ecosystem damage from oil spills and overfishing by humans. overfishing depletes the food supply of african penguins. the best method to reduce the threat of overfishing would be to . the risk of oil spills could be reduced by increasing the use of , which should oil consumption. if an oil spill does occur, could be used to remove the oil so the ecosystem may more quickly recover.
Answers: 2
The organisms on earth do not run out of raw materials because: a)every food chain begins with a p...
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