Since the death rate is higher than the birth rate we can assume that it will be negative. 5-15 is -10 for their life. immigration is also lower than the emigration. 2-4 is -2. adding -2 and -10 will give us -12, hope this helps.
Genetic variation occurs.
Mutations are not copied over and over again.
Pic doesn’t show sorry <3
according to sciencethreads.com
it states the following pros and advantages of fossil fuels..
<em><u>1)Fossil fuels have a very high calorific value. </u></em>
<em><u>2)the energy produced by fossil fuels is greater than that produced by an equivalent amount of other energy resource.</u></em>
<em><u>3)Systems are set up to process and utilize oil and gas
</u></em>
<em><u>4)Widely available around the globe
</u></em>
<em><u>5)low cost per unit energy
</u></em>
<em><u>6)Refineries, transportation, and plastics all rely heavily on oil and gas
</u></em>
<em><u>7)High energy output
</u></em>
<em><u>8)Employs millions of people globally
</u></em>
<em><u>9)The primary source of all plastics</u></em>
hope this helps :)
