Answer:
X-rays don't reach the surface of Earth
Explanation:
- Due to the atmospheric absorption, the X-ray telescopes must be placed in the orbit to a higher altitude of 86,500 miles and as to detect the penetrating X rays that are used to study the soft radiation and to get a clear view of the universe.
Answer:
A. 37
Explanation:
As CEC of soil can be maintained by the type of caution exchange from soil like Na, K, thus decrease of H+ ions increase the variable charges and thus increasing the capacity, Histosols, Mollisols, and vertisols have a high CEC order. And clay consists of roughly composed chlorite, kaolinite, and most of soil humus.
everything would eventually die. Humans could not live, build or expand.
