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lilavasa [31]
2 years ago
15

Which of the following are true about mutations?

Biology
2 answers:
malfutka [58]2 years ago
5 0

Answer:

i dont understand what you are asking

Explanation:

Veronika [31]2 years ago
3 0

Answer:

the answer is B

Explanation:

every other option is false...

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Nutrients enter a cell ______ the concentration gradient by the process of _______.
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A. Nutrients and other materials pass through the cell membrane through the process of diffusion. This allows the cell to perform all the activities it requires for daily maintenance and living. The concentration gradient allows the cell to regulate just how much of a certain material passes through it.
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Producers are organisms that
alina1380 [7]
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What is the boundary between the earths lower mantle and the upper mantle called ?
Alenkasestr [34]

Answer:

i have trusted my best to answer

Explanation:

Edit

The upper mantle of Earth is a very thick layer of rock inside the planet, which begins just beneath the crust (at about 10 km (6.2 mi) under the oceans and about 35 km (22 mi) under the continents) and ends at the top of the lower mantle at 670 km (420 mi). Temperatures range from approximately 200 °C (392 °F) at the upper boundary with the crust to approximately 900 °C (1,650 °F) at the boundary with the lower mantle. Upper mantle material which has come up onto the surface is made up of about 55% olivine, 35% pyroxene and 5 to 10% of calcium oxide and aluminum oxide minerals such as plagioclase, spinel, or garnet, depending upon depth.

5 0
3 years ago
Why you need to know the accompaniments of salad and dressing?​
Ket [755]

Answer:

You need to make sure the dressing is in a good place, because once its on the salad, it cannot hold really well. Well that really depends on the dressing. More liquidy dressings will make your salad soggier faster. So to help with this, you can add herbs, vegies, meat, even some fruit to help soak up the dressing a bit.

Explanation:

I'm not a 100% sure but I hope this helps.

5 0
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