Non potable waters are not for drinking. It is not safe to be drink that's why drinking it can carry significant health risk on our body. Non potable waters are only for irrigation and other non drinking water activity. POtable waters are the water that is clean and safe to drink
Answer:
B
Explanation:
Amniotes develope a fluid filled sac within a shell or uterus
Answer:
The correct answer will be- formation of membrane
Explanation:
The three-stage origin of life theory suggests that life on Earth originated in three phases which are:
1. Phase I: The larger molecules formation began during this unsuitable earthly conditions full of volcanic eruptions and harmful gases underwater.
2. Phase II: The self-replicating molecule begins to form during this phase which contained the coding of life. The self-replicating molecule is known as the formation of the membrane.
3.Phase III: The formation of the membrane which help separate the outer environment from the inner environment was observed during this phase.
Thus, the formation of a membrane is the correct answer.
B) increases the genetic variability of the offspring because there are more genes presemt