Answer:
Key stone Species
Explanation:
Keystone Species are the ones which impact the entire ecosystems and all the organisms with in it.
Keystone species are responsible for maintaining the overall structure and function of the ecosystem.
For example – small predators in any ecosystem which feed upon the herbivores organism in order to preserve the plant species act as key species. Their presence is essential for maintaining the dominant plant species in the ecosystem
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.
Answer:
Air mass motion is usually from the air flow in the upper atmosphere. As a stream changes intensity, and position, it affects motion, and strength of air masses.
Explanation:
Junior College
Junior college is a 2-year institution. This is where you go to get a 2- year associate degree.
Pretty sure it is decomposition, but it could be mineralization