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sladkih [1.3K]
3 years ago
15

Brian is attempting to determine whether it makes sense to think that the human need to belong and to establish relationships ha

s an evolutionary basis. Based on the principles of natural selection, Brian knows he could support this idea if there was evidence that
Biology
1 answer:
Pachacha [2.7K]3 years ago
3 0

Answer:

I DIDNT UNDER STAND

Explanation:

SORRY

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A student put some drops of lugols iodine solution into the water in the beaker shown to the right the water turned red after a
alekssr [168]

Answer:

diffusion through a selectively permeable membrane

Explanation:

The cell membrane selectively allows certain substances to enter or leave a cell . This implies that cell membranes are selectively permeable; they allow some substances to pass through, but not others.

Direct transport of materials across the cell membrane is often passive. Passive transport does not require energy to occur. Passive transport is the movement of substances  from a region of higher concentration to a region of lower concentration. A concentration gradient is always required.

The diffusion through a selectively permeable membrane is an example of passive transport.

The iodine moves into the dialysis tube across the semi permeable cell membrane from a region of higher concentration to a region of lower concentration in response to a concentration gradient.

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DerKrebs [107]
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B. Why is there a huge demand of professionals in the field of agriculture​
Charra [1.4K]

Answer:

There is an increase in demand for higher quality and quantity of food and other products.

Explanation:

There is an increase in demand for higher quality and quantity of food and other products. So, there is a huge requirement for technological innovation.  Investment is needed in research and development to develop crops that are pesticide-free, resistant to disease, and able to face various weather conditions.  Vertical farming and carbon-capture technology can be used to meet growing world food demands.

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lana [24]
I don't understand ur question. Hmm
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Which type of Electromagnetic waves on the spectrum has the highest<br> energy? Why?
Marina CMI [18]

Explanation:

Each section of the electromagnetic (EM) spectrum has characteristic energy levels, wavelengths, and frequencies associated with its photons. Gamma rays have the highest energies, the shortest wavelengths, and the highest frequencies. Radio waves, on the other hand, have the lowest energies, longest wavelengths, and lowest frequencies of any type of EM radiation. In order from highest to lowest energy, the sections of the EM spectrum are named: gamma rays, X-rays, ultraviolet radiation, visible light, infrared radiation, and radio waves. Microwaves (like the ones used in microwave ovens) are a subsection of the radio wave segment of the EM spectrum.

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