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Akimi4 [234]
3 years ago
10

Which part of the nervous system is a gray, wrinkly organ made up of millions of neurons? A. nerves B. brain C. spinal cord D. e

ye
wasn't exactly sure what category to put in
Chemistry
2 answers:
Mariulka [41]3 years ago
8 0
The correct answer is b brain







irakobra [83]3 years ago
6 0
The answer to your question is b the brain<span />
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Sub-atomic particles like negatively charged electrons, positively charged
leonid [27]

Answer:

neutral

Explanation:

There are three basic subatomic particles. These are;

  1. Protons (positively charged)
  2. Electrons (negatively charged)
  3. Neutrons (neutral)

A neutron has no charge unlike the proton and the electron. It is present in the nucleus and contributes to the mass of the atom.

8 0
2 years ago
What is the cell wall &amp; the chloroplasts?
adoni [48]

The cell wall is mixed with the cell membrane, the cell wall is outside of the membrane and the cell membrane is letter i which allows materials to pass in and out of the cell.

Chloroplasts are letter k they basically just help the plant use photosynthesis.

cell wall: f

chloroplasts: k

6 0
3 years ago
When two substances react to form products, the reactant which is used up is called the ____.
Maksim231197 [3]
The reactant being used up is called limiting reagent as it limits the total amount of product produced.

if 4 units of HCL gives 2 units of Cl therefore
4:2
0.98:x
x=(0.98*2) /4
x=0.49L
3 0
3 years ago
H2O has a mc021-1.jpgHvap = 40.7 kJ/mol. What is the quantity of heat that is released when 27.9 g of H2O condenses?
babymother [125]

Energy released from changing the phase of a substance from the gas phase to liquid phase can be calculated by using the specific latent heat of vaporization. The heat of fusion of water at 0 degrees Celsius is 40.7 kJ/mol. Calculation are as follows:<span> </span>


Energy = 27.9 g (1 mol / 18.02 g) x 40.7 kJ/mol


Energy = 63.09 kJ


5 0
2 years ago
Read 2 more answers
How many molecules are in 4.2 miles of water?​
viktelen [127]

Answer:

2.5284 x 10^24

4 0
3 years ago
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