B) some planets revolve backwards
Answer:
See below
Explanation:
Calcium and chlorine are the <u>reactants</u> ..... they <u>'react'</u> in a chemical <u>reaction </u>to form the compound calcium chloride .
Answer:
yo that's too long you should try and my it shorter
Answer:
1.
Explanation:
The atomic number of sodium is 11 and there are 10 inner electrons,
So the effective nuclear charge required is 11 - 10 = 1.
Earthquakes generate three types of seismic waves<span>: P (primary) </span>waves<span>, S (secondary) </span>waves<span> and surface </span>waves<span>, which arrive at </span>seismic<span> recording stations one after another. Both P and S </span>waves<span>penetrate the interior of the Earth while surface </span>waves<span> do not. Due to this, P and S </span>waves<span> are known as "body </span>waves<span>".
hope that helped</span>