Explanation:
<em>Characteristics</em><em> </em><em>are</em><em> </em><em>as</em><em> </em><em>under:</em>
<em>1</em><em>.</em><em> </em><em>Living</em><em> </em><em>things</em><em> </em><em>respire.</em><em>.</em><em>.</em>
<em>2.</em><em> </em><em>Living </em><em>things</em><em> </em><em>can</em><em> </em><em>move</em><em>.</em><em>.</em>
<em>3</em><em>.</em><em> </em><em> </em><em>M</em><em>a</em><em>de </em><em>uo</em><em> </em><em>of</em><em> </em><em>cells</em><em>.</em><em>.</em>
<em>4</em><em>.</em><em> </em><em>Can</em><em> </em><em>Reproduce</em><em>.</em><em>.</em>
<em>5</em><em>.</em><em> </em><em>They</em><em> </em><em>carry</em><em> out</em><em> </em><em>various</em><em> </em><em>Life</em><em> </em><em>pr</em><em>o</em><em>cesses.</em><em>.</em><em>.</em>
Meiosis is needed for sexual reproduction, here chromosome number is halved, it provides for mixing up of genes.
mitosis is needed for growth, repair, replacement, asexual reproduction.
it maintains same chromosome number
Answer:
1. Earth's ozone layer is responsible for absorbing infrared and ultraviolet rays from the sun.
2. Changes in the composition of the atmosphere have caused gradual changes in earth's climate, causing changes in plant and animal life that contributed to mass extinctions.
3. Chemical chlorofluorocarbons (CFCs) have been banned and replaced with hydrochlorofluorocarbons (HCFCs).
4. Naturally occurring volcanic eruptions can produce large amounts of gases which contain sulfur. These gases accumulate in the atmosphere in the same way as man-made sulphuroxides.
Sorry, but after that I don't know.
Explanation:
Meteoroids are Smaller because they are fragments of a comet, or asteroid
This is due to the fact that women usually become infected at younger age than men. Many young women have a sexual relationship with older men who are more likely a hiv-positive, with the result that far more young women that young men in Africa were infected. Also the women are at higher risk of infection. The reason is both physical and socio-cultural.
