The answer is A: Mass extinction.
"Abrupt disappearance of many land and marine species" = extinction of many species.
Answer:
In this case, the scientist want to test the presence of the limonite in the yellow rocks, So, proposed hypothesis should include the color of rock they want to observe and the posssible outcome, which need to be tested. So, a proposed hypothesis can be: The rocks, which have yellow color are made up of mineral lime.
Answer:
T
Explanation:
True. Hydrothermal vents are basically underwater volcanos
Answer:
Water will move from A to B
Explanation:
Due to higher concentration of water at B than in A.
During complex and demanding tasks, teens distribute the workload evenly throughout the brain. In teenagers the prefrontal cortex is still developing and therefore they may rely on a part of the brain called the amygdala to make decisions and solve problems more than adults. The prefrontal cortex communicates with other sections of the brain through connections called the synapses.
