Answer: gas and alkaline earth metal
Explanation:
2 and a half
250 x 2 =500
250/2=125
and 125 is a half of 250
so your answer is
2 and a half
Answer:
The different angles the moon has from sunlight to the earth
Explanation:
Answer:
D
Explanation:
It would definitely affect size because breeding will change that trait
Answer:
540.54 mmHg
Explanation:
We know that the partial pressure of a substance is defined as; Mole fraction * total pressure.
If the total amount of gases in the atmosphere is 100%, the mole fraction of nitrogen gas is now
78/100 = 0.78
Thus, partial pressure of nitrogen gas = 0.78 * 693 = 540.54 mmHg
