I believe the answer is A.
Luster deals with the way light reflects off a mineral
Answer:
appears to be moving back toward unmanned exploration in the form of deep-space satellite exploration.
Explanation:
NASA moved from unmanned probing of space in its initial stage of space exploration to manned space exploration and moon landing and now has gone back to unmanned exploration into deeper space. Deep space is not completely known yet, and the exploration take year and are probably very dangerous for manned exploration for now.
Answer:
One gram of carbon dioxide contains 13.6 x 10²¹ number of molecules.
Explanation:
Answer:
last one
they can contain mercury that is Very harmful to humans
