Answer: Option (b) is the correct answer.
Explanation:
When it rains, then mud in the backyards become wet. It is known that earthworms live inside earth and diffusion of oxygen gets slower through water than through air.
As a result, supply of oxygen to the worms decreases in wet mud hence, they come to the surface in order to breathe.
Thus, we can conclude that wet mud in the backyard most likely formed the earthworms.
<h2>
Answer</h2>
The answer is 38.05 years
<h2>
Explanation</h2>
To solve this question, we should convert the given seconds to the year.
So,
Number of seconds in a year =
Seconds the man lived = .2 * 10^9
How many years, he lived = ?
Here a unit method will be applied as
Total years the man lived=
Total years the man lived = 38.05 years
Answer:
so i never did this befor so i am sorry hope you get the answer
Explanation:
Answer:
No
Explanation:
No, this is an addition reaction
HC≡CH + 2H-H ----> H3C - CH3
Answer:
20 electrons
Explanation:
The atomic number equals the amount of protons in an atom's nucleus, but this number is also equal to the amount of electrons. So if the atomic number is 20, that means there are 20 protons and 20 electrons. ( they need to balance out since they have opposite charges)
I hope that helps :)