An absorption line will appear in a spectrum if an absorbing material is placed between a source and the observer.
Answer:
Explanation:
Decrease the amount of light using the iris diaphragm lever.
The answer is; D
Carbon dioxide and methane are potent greenhouse gases. They cause heating of the lower atmosphere, by trapping sunlight, that results to climate change. Due to the higher melting and boiling temperatures of phosphorus, it is rare that it occurs as gas in room temperatures. Phosphorus, therefore, does not pose a great threat of climate change.
B)<span>limited number of healthcare providers
&
c) </span><span>limited coverage for healthcare services
</span>
Answer:
maybe do B, not all of the same water molecules travel with the same wave
Explanation: