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Elina [12.6K]
3 years ago
8

Why is the circulatory system so important? ( explain why in your own words please don’t copy and paste it I will know)

Chemistry
1 answer:
Afina-wow [57]3 years ago
5 0

Answer:

The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide. These roadways travel in one direction only, to keep things going where they should.

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29 Positrons and beta particles have(1) the same charge and the same mass
Rama09 [41]
Usually the beta particles are electrons with negative charge. And positrons are with positive charge. So they have the same mass and different charges. The answer is (3).
8 0
3 years ago
Please help!! I think this is true but I really need help.
Dennis_Churaev [7]
False, because generally forensics collect the evidence to make sure the evidence doesn’t get damaged or tainted.... hope this helps
8 0
3 years ago
If 1.8 L of water is added to 2.5 L of a 7.0 M KOH solution, what is the molarity of the new solution?
e-lub [12.9K]
Molarity= (number of moles of that substance) / (Volume of solution in litres)

7= (number of moles of HCl) / 0.05

Thus,

Number of moles of HCl = 7 x 0.05 = 0.35

The number of moles of HCl will remain unchanged.

Now, for new solution,

0.35= 0.35 / (New volume of solution in litres)

Thus,

New volume = 1 litre

Thus, amount of water added = 1- 0.05 litre = 5.0 M

6 0
3 years ago
It is not from thermodynamic energy?
prohojiy [21]

Answer:

(a) Utilization

Explanation:

Thermodynamic energy are:

<h2>(1) Kinetic energy:</h2>

Kinetic energy is that type of energy of a body which occurs due to the motion of body. Kinetic energy is always positive. In a bound system, the system remains bound as long as the kinetic energy is less than the potential energy due to the interaction of the body.

                            K.E = \frac{1}{2}mv^{2}

<h2>(2) Potential energy:</h2>

Potential energy is defined as the energy in which the energy is possessed by a body or a system for doing some work, by virtue of its position above the ground level.

Therefore,

Potential energy = PE = mgh

This potential energy is a result of gravity pulling downwards. The gravitational constant, g, is the acceleration of an object due to gravity. This acceleration is about 9.8 m s⁻².

<h2>(3) Stored energy:</h2>

Stored energy is a Potential energy.

Hence, the only energy which is not a thermodynamic energy is option (a) Utilization energy.

8 0
3 years ago
What is another name for watershed
Sati [7]

Answer:

shed wadet

Explanation:

8 0
3 years ago
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