Answer:

Explanation:
The formula for density is ρ
(where
represents mass, and
represents volume).
With this formula, we can calculate the density of the object:
ρ 
Hope this helps :)
Answer: Blood is slightly more viscous then water, pH is slightly alkaline it is about 8% of ones body total body weight the rest of the options are slightly wrong.
Explanation: Blood is red in colour, a dark red when it is deoxygnated and bright red when oxygenated. Its normal pH is 7,4 making it slightly alkaline and it accounts for 8% of one's total body weight with 92% being water. Its temperatures ranges around our normal body temperature which is 37°C.
They can all travel through empty space
Answer:
i think is Destruction of coral