Biology, 12.11.2020 16:30 erica11223344

For the last 30 years, human use of fertilizers has had a significant impact on the nitrogen cycle. Which statement explains how fertilizers impact an ecosystem?

O Fertilizers increase the amount of fixed nitrogen available in the ecosystem.

O Fertilizers decrease the amount of nitrogen fixed by organisms living in the ecosystem.

O Fertilizers kill off important nitrogen fixing bacteria.

Fertilizers decrease the amount of fixed nitrogen available in the ecosystem.

Answers: 2

Show answers

Other questions on the subject: Biology

Biology, 22.06.2019 04:30, Ladarius566

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

Answers: 3

continue

Biology, 22.06.2019 06:00, charnaetoney13

Explain why ecosystem diversity results in species diversity in a healthy biosphere

Answers: 3

continue

Biology, 22.06.2019 13:00, davisnaziyahovz5sk

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols

Answers: 1

continue

Biology, 22.06.2019 17:00, alannadiaz1

In cattle a single gene with two alleles determines fur color the fur can be red white or roan roan fur has both red and white hair which of the following statements is true a the allele for roan fur color is dominant over red and white fur color b the allele for red fur color is dominant over white and roan fur color c the roan and white alleles are expressed independently of the other d the red and white alleles are expressed independently of each other

Answers: 1

continue

You know the right answer?

For the last 30 years, human use of fertilizers has had a significant impact on the nitrogen cycle....