Answer: O
Explanation:
The stars which emit the most blue light are the hotter stars and O type stars are the hottest stars there are.
O stars are larger than every other star and have surface temperatures ranging above 25,000K as well as being extremely bright.
They therefore emit the most blue light and the least red light.
Answer: <u>A metal </u>is rare on Earth but relatively abundant in iron-rich meteorites. It has been found in widespread layers on Earth and it's date of deposition coincides with the major extinction of life on Earth 65 million years ago, possibly indicating a connection between a large impact and this extinction.
Explanation: That metal would be iridium
Answer:
Egypt's location helped it grow by offering it rivers for irrigation, trade routes, and territory that could be conquered. However, this same location also caused Egypt to become dependent on good Nile flooding and left Egypt open to invasions from the various powers that surrounded it.
Explanation:
Google
Answer is Buffer zone
Reason - example is undeveloped land separating the shopping center from a residential neighborhood.
