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weeeeeb [17]
3 years ago
14

Free p o i n t s here you go

Biology
1 answer:
krek1111 [17]3 years ago
8 0

Answer:

thank for the points lovely

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How are humans able to see Rainbows? 
Mrrafil [7]

We see rainbows when the son is behind us and some type of water or rain is in front of us. When the sun light hits a raindrop it's refracted and is changed in direction.




(and we see them with our eyes mannnn or womannnn)

8 0
4 years ago
If a race car's velocity is increasing rapidly, we
Crazy boy [7]
A. A steep positive slope. Since the speed is going UP, it is positive. Since it is happening quickly, the line will jump steeper. Hope that helps!
6 0
3 years ago
What would explain the change in the size of a gummy bear after it is placed in regular water?
salantis [7]

Answer:

The change in size of a gummy bear when placed in water is due to the presence of gelatin in the gummy bears.

Explanation:

Most of the gummy candies, like the gummy bears are made up of gelatin. To make the gummy bears, water and gelatin are mixed and heated. Then, this mixture is allowed to cool. During cooling, the water evaporates leaving the gelatin in a chewy form.

When the gummy bear is placed in water, the water is absorbed by the gummy bear due to  osmosis. Hence, the gummy bears tend to increase in size.

Water is a hygroscopic substance i.e it tends to absorb water. So, this property of gelatin will enable it to absorb water and increase in size.

7 0
4 years ago
Select all of the answers that apply.
slega [8]

Answer: creating an ozone layer to shield life from UV rays

Cynobacteria or blue green algae is the strain of bacteria, which was able to produce oxygen in the primitive earth as a result of photosynthesis. The abundance of oxygen in the atmosphere formed the ozone layer in the upper atmospheric layers, these layers are protective enough to provide a shield against the harmful UV radiations incident on earth coming from the sun.

5 0
3 years ago
Read 2 more answers
Question 2 (5 points) .<br> Which is an example of the aesthetic value of a healthy ecosystem
Klio2033 [76]

Answer:

<em>A beautiful waterfall</em>

Explanation:

Aesthetic value can be described as the value of an object or event, whether occurring naturally or being constructed. It can be described as the virtue of an object and its worth. The aesthetic value determines how much of an object or event is pleasing to the eyes or how much it can be displeasing.

A beautiful waterfall for sure increases and enhances the value of a healthy ecosystem. It is a sight which offers pleasure to the eyes and soul.

3 0
3 years ago
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