Answer:
natutal resources are those which is not made by anyone
human made resources are those made by human or artifical things
Answer:
All the wavelengths can not reach the earth's surface always.
Explanation:
Most of the time the atmosphere absorbs the Infrared radiation from the space. For this reason, infrared radiation can not reach the earth always. It is basically absorbed by the Co2 and water vapor present in the atmosphere.
Answer:
The exchange of biological material between tissues and blood vessels.
Explanation:
Capillaries are extensions of blood vessels but are much thinner in diameter. They are mostly found in tissue that is highly metabolic like the kidneys and liver which require high perfusion and exchange rate of metabolic molecules between tissue and blood.