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Nimfa-mama [501]
3 years ago
10

Issued in 1974, 45 CFR 46 raised to regulatory status:

Biology
1 answer:
Lynna [10]3 years ago
4 0

Hello!

The answer is D, The U.S Public Health Service Policy. Its main purpose was providing protection for human subjects for research work which was conducted by federal agencies. You can read more about it on HHS.gov, as it is a very interesting regulation.

I hope this helps! :)

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Αи αєяο ρℓαиє ƒℓìєѕ ωìτн α ѕρєє∂ οƒ 720κмн. нοω ℓοиg ωìℓℓ ìτ τακє το τяανєℓ α ∂ìѕταиϲє οƒ 360 κìℓοмєτяєѕ?
AveGali [126]

Answer:

Given that,

Distance=360\:Kilometres

Speed = 720 KM/hr

time=360km/720kmh^{-1}

time=1/5 hr

Time = 30\: minutes \:or \:1/5 \:hours \: or \: 0.5 \:hours.

<u>OAmalOHopeO</u>

3 0
3 years ago
Read 2 more answers
Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent? 1. Protostomes inva
elixir [45]

Answer:

Let's complete the question by writing the sequence, from earliest to most recent options

a. 2 → 1 → 3 → 4

b. 2 → 4 → 3 → 1

c. 2 → 3 → 1 → 4

d. 2 → 1 → 4 → 3

e. 2 → 4 → 1 → 3

It's surely going to be e.

e. 2 → 4 → 1 → 3

2. Cambrian explosion occurs.

4. Vertebrates become top predators in the seas.

1. Protostomes invade terrestrial environments.

3. Deuterostomes invade terrestrial environments.

Got it!

4 0
4 years ago
I will fan and medal !!!!!!!!!!!!!!
Sveta_85 [38]
All right.
Differences with the Historical Model:
1. That model shows the planet's orbits as perfect circles, not ellipses. 
<span>2. Aristotle believed in a geocentric (Earth centered) solar system, while it actually is heliocentric Sun centered). </span>
<span>3. That model didn't show all the planets we know today, such as Neptune, Uranus, etc. </span>
<span>4. A lot of that model was based on religious beliefs. 
</span>Differences with Modern Model:
1. Our model shows the orbits as ellipses. 
<span>2. Our model shows a heliocentric solar system. </span>
<span>3. Our model shows all the planets we know today. </span>
<span>4. Our model has nothing to do with religion. 
</span>Similarities Between Both Models:
1. They both are based on the same solar system. 
<span>2. They both show the inner planets, the Moon, the Sun, Jupiter, and Saturn. </span>
<span>3. The both were made by many observations of the sky.
</span>
Hope this helps.:b

8 0
3 years ago
Rabbit ear size tends to decrease as latitude increases. this is an example of _____. (concept 23.1)
crimeas [40]

Rabbit ear size tends to decrease as latitude increases. this is an example of a cline .

A cline can be described as a change of the biological trait of a species across its geographical range. A cline can be genetic for example, change in the allele frequency, or phenotypic (change in body size). The change can be shown as continuous gradation, or it can be more abrupt from one geographic region to the next.


8 0
4 years ago
Enzymes in the digestive tract are composed of which of the following?
emmainna [20.7K]
They are composed of proteins. I cannot see the options but hopefully that answer is in one of them
5 0
4 years ago
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