d. coal because coal forms over millions of years, not just that, even now, our earth have resources
Answer:
1 migration
2 the northern regions have become warm
Answer:
It was discovered that the organisms in each of the five kingdoms have a different method of obtaining nutrients and are therefore fundamentally different.
Explanation:
New kingdoms were needed that reflected our growing knowledge of the differences between living organisms.
Answer:
Option C, Plant A
Explanation:
Control group within an experiment is the substance/organism or subject which shall enact as a base for comparison of impact of experiment created on the dependent variables.
Here, the impact of fertilizer is to be studied on plant. Thus, plant set up is dependent variable and amount of fertilizer is an independent variable. Out of all plants one plants is getting 0 amount of fertilizer hence this plant can be used for comparison with other plants which receives the fertilizers.
