The difference<span> between the </span>birth rate<span> and the death </span>rate<span> of a country or place is called the </span>natural increase<span>. </span>
<span>The correct
answer is 6.</span>
<span>
When we
compare male and female, the prevalence of osteoporosis and the rate of
fractures are much higher in postmenopausal women than in men of the same age.
Because of that, this condition is often called “woman’s disease”.
One of the explications is that women have smaller and thinner bones than men.
Also, estrogen decreases when women reach menopause, which can cause bone loss.</span>
it is trapped beneath non porous rocks
Oxygen, water, some type of resources to build, and food to eat
