5 is 2 I’m not sure about 4 though....
<span>Factors that affect biodiversity in an ecosystem include area,climate,diversity of niches,and keystone species.</span><span />
You're right it's the oceans.. since most is salt water, the salt has to be boiled out
Answer:
<h3>The answer is 8.29 %</h3>
Explanation:
The percentage error of a certain measurement can be found by using the formula

From the question
actual density = 19.30g/L
error = 20.9 - 19.3 = 1.6
We have

We have the final answer as
<h3>8.29 %</h3>
Hope this helps you
When MgO and H2O react they form Magnesium Hydroxide Mg(OH)2