Which of the following statements is NOT TRUE about viruses? A. They contain pathogens that cause diseases
B. Viruses spread by different vectors.
C. They are smaller than bacteria cells.
D. The common cold virus is easily cured with antibiotics.

Hmmm i'm not sure about this one

It depends on the surface of the levels. the rougher the surface, the greater is the frictional force. for rougher surfaces, you would need to exert greater force to move the object. the concept is that, you must overcome the frictional force in order to bring the object into motion. this is the reason why we add lubricants to the joints so they could easily move. this answer was on

25 ) where the jellyfish were counted at

The one that would be the most effective means of controlling current water pollution of us surface water is : shutting down factories that discharge materials to the rivers.the largest sum of us pollution currently caused by factory-related substance