<span>Compared with developing countries, developed countries have high birth rates. - This statement is not true.
</span><span> With the help of family planning and education, birth rates can be decreased. - This statement is true.
</span><span>If the trend of rising birth rates continues, the population will increase and natural resources will likely start becoming scarce. - This statement is true.
</span><span>When food resources disappear, it eventually leads to food security in certain regions of the world. - This statement is false.</span>
8) is b.
im not sure if this is right though
18) is d
The answer is Adrenaline
Adrenaline is a stress hormone secreted by the adrenal glands and some other neurons when a person is frightened, excited or generally in stress.
It prepares our body for it's 'fight or flight' mechanism and tightens muscles for exertion.
After a bank robbery, most people feel a rush of adrenaline.
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