Because they can be differentiated to form insulin-producing cells
<span>When breeding season arrives, male elephant seals define and defend territories. They collect a harem of 40 to 50 females, which are much smaller than their enormous mates. </span>
Answer:
The phases of the Moon depend on its position in relation to the Sun and Earth. As the Moon makes its way around the Earth, we see the bright parts of the Moon's surface at different angles.
Explanation:
Answer:
When it stands the test of time and is supported by many experiments.