BIOLOGY MIDDLE SCHOOL

When farmers leave plant stalks in the field to reduce soil erosion, it is called ____.

Answers

Answer 1
Answer:

Answer:

No-till farming

Explanation:

When farmers leave plant stalks in the field to reduce soil erosion, it is called as no-till farming. It is done to reduce soil erosion. The purpose is to hold the top fertile cover of soil with stalks. The left stalks serve to hold the soil and does not allow it to run off with agents of soil erosion such as water, wind etc.
Answer 2
Answer: No-till or reduced-till farming, fallowing
Hope this helps

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What is the biogeochemical cycle that describes the movement of oxygen within and between its three main reservoirs?

Answers

Oxygen Cycle. Hope this helps

Which of these statements are true of organisms that produces asexually A. asexually reproduction is always better then sexual reproduction
B asexually reproduction increases genetic diversity in a species.
C. asexually reproduction involves male and female organisms
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Answers

the correct answer would be D

Answer: D. asexually reproduction produces more organisms, but they all are genetically identical

Explanation: i took the test

Describe how turning off the electric current in an industrial electromagnet affects magnetic fields

Answers

Electromagnets are used in a number of everyday devices.

One useful characteristic of an electromagnet is the fact that you can vary its magnetic force by changing the amount and direction of the current going through the coils or windings around it. Loudspeakers and tape recorders are devices that apply this effect.Some electromagnets can be very strong and its power can be readily turned off and on. Junk yard electromagnets, common doorbells and electromagnetic locks are examples.Electromagnets can also be used to create continual motion when opposed by other electromagnets or permanent magnets. Examples include electric motors and maglev trains.

Which process does not happen in plant cells?

Answers

cellular respiration does not happen in plant cells. Only photosynthesis

Is the following sentence true or false? It is easier to synthesize new elements with very large atomic numbers.

Answers

Answer (True/False):

FALSE

Explanation:

Atomic number defines the number of electrons and protons in an atom. where as synthesizes means to produce something chemically. Keeping both the statements in view, it is not easier to synthesize new elements with a large number of electrons and protons. Though this process can be done for the small atomic numbers.
No, not particularly. For those beyond a certain point, you actually need to create the precursors first and then combine them again.

Which statement comparing examples of renewable and nonrenewable resources is true? A. Geothermal energy is a nonrenewable resource because it can't be used up, but natural gas is a renewable resource because it will eventually run out. B. Geothermal energy is a renewable resource because it can't be used up, but natural gas is a nonrenewable resource because it will eventually run out. C. Both geothermal energy and natural gas are renewable resources because they will never run out. D. Both geothermal energy and natural gas are nonrenewable resources because they will eventually run out.

Answers

A) Geothermic energy is a nonrenewable resource because it cant be used up, but natural gas is a renewable resource because it will eventually  run out.
I think c but I'm not sure
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