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AysviL [449]
2 years ago
14

This is about environmental systems ​

Biology
1 answer:
zlopas [31]2 years ago
4 0

Answer:

A. A weak or strong current

Explanation:

D. is inccorect because rivers are always freshwater

C. is incorrect because seawater is salt water

B. is incorrect because rivers have waterflow.

Mark me brainliest and have a great day!

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biogechemical cycles on earth serve on earth serve a variety on different purpose. what do the biogechemical cycles have in comm
madreJ [45]

Answer:

Son procesos naturales que reciclan elementos en diferentes formas químicas desde el medio ambiente hacia los organismos, y luego a la inversa. Agua, carbón, oxígeno, nitrógeno, fósforo y otros elementos recorren estos ciclos, conectando los componentes vivos y no vivos de la Tierra

Explanation:

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3 years ago
Which molecule carries the instructions for producing mRNA
harina [27]
<span>the molecule that carries the instruction for producing mRNA is DNA</span>
8 0
4 years ago
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What percentage of energy is wasted in the US?<br> 25%<br> 60%<br> 10%<br> 84%
allsm [11]
It is 61 percent........so estimating it as 60 %

CHEERS MATE!!
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3 years ago
5. Why do scientists publish the results of their work?
Bogdan [553]

Answer:

To verify their results

Explanation:

if they didn't then people wouldn't believe them and they would have no reason to

4 0
3 years ago
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A diffuse, nontoxic goiter is usually due to a lack of _____ in the diet.
prohojiy [21]

Answer;

Iodine

A diffuse, nontoxic goiter is usually due to a lack of Iodine in the diet.

Explanation;

-A diffuse non-toxic goiter is an enlargement of the thyroid gland without nodularity. It occurs in an endemic and sporadic distribution. It does not result from an inflammatory or neoplastic process and is not associated with abnormal thyroid function.

-Simple nontoxic goiter, which may be diffuse or nodular, is noncancerous hypertrophy of the thyroid without hyperthyroidism, hypothyroidism, or inflammation. Except in severe iodine deficiency, thyroid function is normal and patients are asymptomatic except for an obviously enlarged, non tender thyroid.

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3 years ago
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