The propagation of radio signals is greatly influence by
troposphere
ionosphere
exosphere
thermosphere
Additional Questions
The pyramidal peaks that form when several cirques chisel a mountain form three more sides are called |
Answer |
The process that involves the eroded material being dissolved and carried along in water as individual ions is called |
Answer |
The relative abundance of dissolved salts in seawater in descending order is as follows |
Answer |
The planets with no natural satellites (reported so far) are |
Answer |
The plants of which of the following crops are highly sensitive to frost? |
Answer |
The religion of Afghanistan is |
Answer |
The region that has a typical dispersed rural settlement pattern is the |
Answer |
The reaction between compounds and oxygen is called |
Answer |
The percentage of suns radiation reflected back into space is about |
Answer |
The progressive wave theory regarding of tides was put forth by |
Answer |