Which are the characteristics of a maritime polar air mass? if you answer 1st and correctly will mark as ! ( ! )
a.
cold and humid air
b.
cold and dry air
c.
warm and humid air
d.
warm and dry air

As a small change in a person's dna can cause a genetic disorder

Cells destroy body cells infected by a virus or bacteria.

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return