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jeka94
2 years ago
12

Someone pls help me!

Biology
1 answer:
dexar [7]2 years ago
4 0

Answer:

Cell membranes are semi-permeable, which works like a sieve that determines what enters and leaves the cells.

Explanation:

It is semi-permeable and it allows molecules to diffuse inside.

<em>Feel free to mark it as brainliest :P</em>

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Which light source is part of the control group for William’s experiment?
jeka94

Wavelength light source is part of the control group for William’s experiment

<u>Explanation:</u>

Sir William wanted to conduct an experiment to observe how much heat passed through different colour filters of the sunlight. He directed sunlight to pass through the prism and observed vibgyor and measured the temperature. He found that the temperature increased from violet to red.

Then he was inquisitive to find the temperature beyond the red ray. That’s when he found the infrared rays which had higher temperature that was not to be seen through naked eyes. He performed experiments using the light source and found that the wavelength of light are not refracted in a particular pattern.

8 0
3 years ago
Which term refers to similar structures that related species have inherited from a common ancestor?
blondinia [14]

Answer:

homologous structures.

Explanation:

If two organisms look very similar during their early stages of development, this is evidence that the organisms. evolved from a common ancestor.

6 0
2 years ago
The first person to anwcer the question i will put you as brain list
slavikrds [6]

Answer:

So they are lighter and move quicker.

Explanation:

With the small wings and bodies birds have it would be hard for them to escape predators and lift their own weights if their bones were dense like humans' bones. The hollow part of the birds' bone is connected to their lungs so they have enough oxygen to fly easily. Hope this can help you! :)

6 0
3 years ago
__________ is also known as zero waste.
Xelga [282]
<h2>Answer:</h2><h2><em><u>Option</u></em><em><u> </u></em><em><u>B</u></em><em><u> </u></em></h2><h2><em><u>I</u></em><em><u> </u></em><em><u>think</u></em></h2>

<em>Zero Waste: The conservation of all resources by means of responsible production, consumption, reuse, and recovery of products, packaging, and materials without burning and with no discharges to land, water, or air that threaten the environment or human health.”</em>

8 0
2 years ago
Read 2 more answers
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50x + 10x would = 60x
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