Considering the following statements;
A. It can exist without a constant source of energy input
B. It must contain consumers but can exist without producers.
C. It involves interactions between biotic and abiotic factors.
D. It can exist on land, but it cannot exist in lakes, rivers, or oceans.
The correct statement is C. that an ecosystem involves interactions between biotic and abiotic factors.
Biotic factors are the living things in an ecosytem, they include plants, animals, bacteria, fungi and others. Abiotic factors on the other hand, are the non-living factors in an ecosystem, they include water and air, sunlight, the amount precipitation in an ecosystem is also an example of abiotic factor. The two types of factors are crucial for an ecosystem to exist and thrive.
Manure supplies plants instantly with nitrogen, phosphorus, potassium and other nutrients by warming the soil
The answer is "a" if the second word is "bends" not "burns".
Answer: The troubling reality of humanity's over-sized and still expanding population and create highly effective programs to solve the problem. Our efforts focus on specific attitudinal drivers of ongoing rapid population growth.
Explanation: In fact, world population growth remains totally unsustainable over 230,000 people are added to world population each day. That is a net gain - births minus deaths. But few people understand the true drivers of this increasing world population. Even fewer know how to effectively intervene. Long established and widely practiced social norms low status of women & girls, bias against modern contraception, and large ideal family size are the strongest drivers rapid growth of the population. If somebody tries to tell you that population growth is "slowing down," ask them to explain the graphic on the left.
Urine contains no glucose because the kidneys reabsorb all the glucose from the long/tube-shaped fluid back into our bloodstream.
