Answer:
Polar
Explanation:
A water molecule, because of its shape, is a polar molecule. That is, it has one side that is positively charged and one side that is negatively charged. The molecule is made up of two hydrogen atoms and one oxygen atom. The bonds between the atoms are called covalent bonds, because the atoms share electrons. The hydrogen atoms have one electron each.
It's when you use something so much that it loses it's value or purpose. But it can also mean making a piece of land more profitable and productive.
Answer:
Both neurotransmitters and hormones influence our thoughts and motivations, as well as our ability to learn and concentrate. However, neurotransmitters are short-lived while hormones act for longer periods of time.
Answer;
-Birth rate
Explanation;
-The birth rate is the total number of live births per 1,000 in a population in a year or period. For example; in one year, 35 giraffes are born to a population.
-A population is defined as a group of individuals of the same species living and interbreeding within a given area. Members of a population often rely on the same resources, are subject to similar environmental constraints, and depend on the availability of other members to persist over time. Scientists study a population by examining how individuals in that population interact with each other and how the population as a whole interacts with its environment.