3 (I think, sorry if it’s wrong)
1. mother to fetus 2. through exposure to the antigen (virus, toxins, or cancer cells).
Answer:
Solidifications of molten materials.
Answer:
The result of the initial rotation of the cloud of gas and dust that condensed to form the Sun and planets. As gravity condensed the clouds, of angular momentum increased the rotational speed and flattened the cloud out into a disk.
