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NISA [10]
3 years ago
9

What are two main abiotic factors that affect organisms in marine ecosystems? A. Oxygen level and water temperature B. Predators

and competition C. Salinity and water temperature D. Predators and food availability
Biology
1 answer:
Lesechka [4]3 years ago
5 0

Answer:

dear user the answer is option A.oxygen level and water temperature and C.salinity and water temperature.

hope this helps

if it's useful to u plz thank and try to mark as brainliest

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I don’t know the answer
laila [671]
C: I think it is :]
5 0
3 years ago
Why does genetic variation play an important role in natural selection?
Katen [24]
Genetic variation<span> is essential for </span>natural selection<span> because </span>natural selection can only increase or decrease frequency of alleles that already exist in the population.Genetic variation<span> is caused by: mutation

i pulled this off of the site i got the information from i hope this helps you out if not sorry
</span><span>
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4 0
3 years ago
What is the measured output force of a pulley system if the Mechanical Advantage is 0.48 and measured input force is 10N?
Ksenya-84 [330]

Answer:

Output force is 4.8 N

Explanation:

A pulley is a simple machine made of a grooved wheel with a rope or cable wrapped around it. Pulleys are used in the transmission of energy or motion.

The input force is also known as the applied force while the output force is the force exerted on an object by a simple machine.

The mechanical advantage of a pulley is the ratio of the output force to the input force.

Mechanical advantage = output force / input force

Substituting:

0.48 = output force / 10

Output force = 4.8 N

4 0
3 years ago
Identify the processes that occur during the electron transport chain.
Bogdan [553]

Answer:

Electrons are removed from Nadh and Fadh2

Explanation:

they are removed to make more ATP.

7 0
3 years ago
Select the positive impacts of technology on animal agriculture.
vodka [1.7K]

Answer:

  • improved fertility of livestock.
  • stronger and leaner livestock.
  • animal immunity to diseases.

Explanation:

Whe you talk of Animal agriculture you are referring to those practices of breeding animals for the production of animal products and also for recreational uses/purposes. Technology has impacted animal agriculture positively through:

  • <em>improved </em><em>fertility</em><em> of livestock.</em>
  • <em> of livestock.stronger and leaner livestock.</em>
  • <em> of livestock.stronger and leaner livestock.animal immunity to diseases.</em>
8 0
2 years ago
Read 2 more answers
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