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agasfer [191]
2 years ago
9

Hey so were doing this weird salt and sugar solutions phet assignment and idk how to do it ​

Biology
1 answer:
maw [93]2 years ago
6 0
Can you attach a picture
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Can someone plz help me? :(
Flauer [41]

Answer:

C. Different organs working together to do a job

Explanation:

Pretty self explanatory, sets of organs make up an organ system.

Hopefully this helps!

Brainliest please?

8 0
2 years ago
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Because she is so active, cardiovascular fitness is important to Vicky. She learns that hemoglobin is an important globular prot
vaieri [72.5K]

The answer is Iron, this is the important mineral that she needs to obtain as this will help her in her ways to cardiovascular fitness as this mineral helps the hemoglobin to build in her body and for her t be able to get enough nutrients.

5 0
3 years ago
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How many neurons are in human brain?
damaskus [11]
Heaps and heaps and heaps and heaps of them!


7 0
3 years ago
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In some plants, pointed leaves (P) are dominant over rounded leaves (p). A plant with a genotype of Pp _____.
Mrrafil [7]

According to Mendel’s laws of dominance, when a plant with dominant trait is crossed with plant with recessive trait, it results into dominant phenotype in F1 offspring. In the given question, a plant with pointed leaves (P) are dominant and plant with round leaves (p) is recessive. On crossing a pointed leaves (PP) with a plant with round leaves (pp) a heterozygous (Pp) pant with pointed leaves will be produced.

8 0
2 years ago
Earth's early atmosphere was primarily composed of
Paul [167]

Answer:

The correct answer is ''carbon dioxide, water vapor and nitrogen.''

Explanation:

About 4.5 billion years ago, Earth was a very geologically active planet. So many volcanic fumes formed the primitive atmosphere, which was mostly made up of water vapor, carbon dioxide, sulfur, and nitrogen. At this point, oxygen was barely present and the oceans did not yet exist. The primitive atmosphere is the one before the Precambrian, it was reductive, that is, it lacked free oxygen, and only had ammonia, methane and hydrogen, the high temperature of the atmosphere in its early stages facilitated the reaction of these gases to form organic compounds from which life may have emerged. UV rays passed, because ozone did not exist.

5 0
2 years ago
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