Because The white gene is the recessive gene and the brown gene is the dominant gene hence all the offspring being brown instead of white :)
Answer- A
Explanation- Because you have to look at the symbols and remember which symbol goes with each chemical, if you don't then you could get confused.
Wind ,ice,and water eroded it over years
When temperature increases pressure also increases.
When temperature decreases pressure decreases.
That is why you have low tire pressure when it’s cold out
