If material is to move down slope, it must overcome the force of
A) inertial resistance of the material only.
B) the cohesion of particles to each other only.
C) friction only.
D) both friction and inertial resistance.
E) friction, cohesion of particles, and inertial resistance.
Question 2
The frictional force effect on winds
A) is negligible at altitudes above 500 m (1,600 ft).
B) increases with increasing altitude.
C) is constant, regardless of time of day or year.
D) is greatest in the upper troposphere.
E) is lessened in areas with rougher surfaces.
Systemic acquired resistance to pathogen attack.
Some viruses, such as the tobacco mosaic virus, use RNA as their genetic material
The process of phagocytosis: a phagocyte engulfing bacteria or other foreign material.
Coriolis force
Cancer cells can move to new locations in the body, a process called metastasis
Question about Resultant of gravitational force?