Answer:
the first wave of extinction may be related to rapid cooling at the end of the Ordovician Period, and the second phase is widely regarded as having been caused by the sea-level fall associated with the glaciation.
Dead zones are low-oxygen<span>, or hypoxic, areas in the world's oceans and lakes
(answer is dead zones)</span>
the person should wash their eye out for no less than 15 minutes
Answer:An ultra-marathon can also be defined as a running competition ... World records in female elite and age group athletes in distance-limited races, from ... as skeletal muscle mass, body fat and running training were examined in ... for a long time, and do not make any tempo changes
Answer:
A cell consists of three parts: the cell membrane, the nucleus, and, between the two, the cytoplasm. Within the cytoplasm lie intricate arrangements of fine fibers and hundreds or even thousands of miniscule but distinct structures called organelles.
Explanation: