Earth could not have supported the lives or humans and other living things. There was no oxygen in the atmosphere, and Earth's surface was extremely hot
Yes, they can benefit an organism. That is why evolution works
Answer:
A. The environment solution is hypertonic when compared to the cell.
Explanation:
Protection for the head is needed in cases of direct collision sports like hockey and football. Collisions with another player or the turf may result in a concussion, thus all the helmets must possess NOCSAE certifications.
The helmet should fit comfortably around all the segments of the player's head, there should be no gaps between the head and pads. It should cover the base of the skull, the pads positioned at the back of the neck should be comfortable, and at the same time should not be uncomfortable.
The helmet should not come down over the eyes, the front edge of the helmet should be 3/4 inch or of two finger widths above the eyebrows.
Instructions from characteristics which are passed from the
parent to the offspring are called genes. Genes are made of complex molecules
of DNA. Each parent also donates chromosomes to their offspring. Each offspring
will get half of their genes from each parent and they will therefore have the aspect
of the two parents.
