Biology, 11.02.2020 22:04, casianogabriel2004
A gardener starts a compost pile. He adds dead leaves, lawn clippings, and other organic matter to the pile. After a few weeks, the gardener notices that materials in the pile have turned brown and soft. The compost pile also feels warm both during the day and at night. Which of the following statements is the best explanation for this?
A. Wind is causing the materials in the pile to rub together, and this generates heat from friction.
B. Wild animals are using the compost pile as a nest, and their body heat is warming the pile.
C. Soil from the ground has moved up through the compost pile, which makes the pile denser and warmer.
D. Decomposers are breaking down materials in the compost pile, which causes heat energy to be released.
Answers: 2
Biology, 21.06.2019 22:00, amf14
Consider darwin's first writings on the theory of natural selection. an important point of darwin's essay on the principle of population, written in 1798, was a peer's observation that in nature plants and animals produce far more offspring than can survive, this observation can be attributed to a) charles lyell. b) thomas malthus. c) jean-baptiste lamarck. d) johann friedrich meckel.
Answers: 2
Biology, 21.06.2019 23:40, datboyjulio21
1. which of the following is correct regarding opiates/opioids: a. they all have a natural component as a starting pointb. they have low addiction possibilitiesc. methadone binds to some of the same receptorsd. a and care correcte. all are correct
Answers: 1
Biology, 22.06.2019 06:00, reneethacker20p8wdgn
One function of the immune system is to attack the foreign cells to protect the body. in organ translate , the body recongnizes that the new organ is made of foreign cells. wha kind of medicine would you give a patient to increase the chances of transplate success
Answers: 1
A gardener starts a compost pile. He adds dead leaves, lawn clippings, and other organic matter to t...
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