In the arctic ocean, there are very few large aquatic plants. which of the following best explains why? (2 points)
a sea ice decreases the salinity of the water to a level not suitable for plants.
b plants have a difficult time surviving due to long periods of darkness.
c plants are unable to attach to the deep sea floor.
d currents are too strong for plants to survive.

1. when the tempature rises,your sweat glands and then springs into action making perspiration. some sweat evaporates with your skin taling heat with it.2.some of the blood pumped by the heart travels by your lungs to get rid of carbon dioxide and pick up oxygen.3.saliva produces by, you drinking water which saliva is 98% of. when mucus builds up in your body it also creates saliva as well as, antibacterial compunds.4.when the core body tempature drops, the shivering reflex is triggered to maintain homeostasis. for example: when you get out the pool you start to shiver because it is cold.