D, the theory has been built up with evidence over time.
Answer:
dw i gotchu fam
Explanation:
its an attraction between two atoms. for a hydrogen bond it is hydrogen and another atom like oxygen (in water), flourine or nitrogen.
CYOKININS is the correct option. Cytokinins is one of the types of plant hormones and it is usually produced in the root apical meristem, that is, at the very tip of the root. The hormone delays aging in plants and it also involve in repair of wounded plant parts.
The simple definition would be:
<u><em>"An increase in the number of people that reside in a country, state, county, or city."</em></u>
Hope this helps!
As far as I know, I think the correct answer is option 2.
