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Paraphin [41]
3 years ago
12

_____ can cause markedly shorter life spans, along with chronic respiratory problems in humans and animals.

Biology
1 answer:
azamat3 years ago
6 0
The correct answer for this question is this one: "b. Air pollution"Air pollution can cause markedly shorter life spans, along with chronic respiratory problems in humans and animals.
There exists the same question from other source with the following choices:
<span>a. Water pollution
b. Air pollution
c. Global warming
d. Deforestation
e. Acid rain</span>
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PLEASE HELP ASAP PLEASE!!
seropon [69]

Answer:

B

Explanation:

The answer is B I think

Am not too sure but I think it is B

5 0
3 years ago
What are the steps in SCNT? Order these steps so you can complete your own cloning project.
sergejj [24]
SCNT stands for Somatic Cell Nuclear Transfer. It is used for creating an ovum with a donor nucleus. It can be useful in embryology and a donor nucleus.
The steps of SCNT are as following:
<span>d. Isolate donor cells from egg donor and germ cell donor
</span><span>c. Remove and discard the nucleus from the egg cell
</span><span>e. Transfer the somatic cell nucleus into the egg cell 
</span><span>a. Stimulate cell division
</span><span>f. Implant embryo into a surrogate mother
</span><span>b. Deliver baby</span>
5 0
3 years ago
Read 2 more answers
Natural systems (respiring animals, decomposition, fires, the ocean) contribute approximately 700 giga-tons of Carbon (GtC) to t
mina [271]

Answer:

Around 25-30 gigatons.

Explanation:

Although natural processes do produce much more carbon dioxide than humans, its a delicate balance and all of that carbon dioxide is absorbed back. However, when humans arrived, they disrupted that balance, and even with the relatively small amount it is creating big problems.

7 0
4 years ago
Normal heart sounds are known as 'lub' and 'dub.' These sounds can be heart with a stethoscope as blood flows through the heart.
BaLLatris [955]

Answer: A) The 'lub' sound is caused as the atrioventricular valves close.

Explanation:

USATestprep just answered it

7 0
3 years ago
How do the differences between rough er affect their functions
charle [14.2K]

Answer: If you look it up online it tells you exactly why, and has reasoning for everything and will be way more accurate.

Explanation:

8 0
3 years ago
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