Answer:
Life support systems
Explanation:
In human spaceflight, a life-support system is a group of devices that allow a human being to survive in space. ... The life-support system may supply air, water and food. It must also maintain the correct body temperature, an acceptable pressure on the body and deal with the body's waste products.
Answer:
Justifiable policy to them, national disaster now
Explanation:
Back then they thought of Native Americans as barbaric. Most had no moral objections to kicking them off of their lands and deporting them further and further west, and many did believe in Manifest Destiny. Now most look at Manifest Destiny as a period where Native culture was destroyed, and many are still mad at the governments actions back then. But you must take into account that Manifest Destiny made America the powerhouse that it is today.
Answer:
Marie and Pierre Curie - conducted experiments with uranium-containing minerals and pure uranium. Marie and Pierre Curie - came up with the term “radioactivity.” Antoine Henri Becquerel- showed that uranium in a mineral gave off radiation even without being exposed to the Sun.
Explanation:
The correct answer is Germany.
On Sept. 1, 1939, Germany invaded Poland.
This is seen as the start of World War II.
look kid, this question has been up for 1 hour.......-......... i think it time to let it go................
btw the answer is B