Which describes increasing the efficiency of an energy resource? A>Making cars that get better gas mileage

B>Using biomass instead of coal

C>Turning off the lights when leaving a room

D>Switching from coal to solar

The upward force acting on the wing of a airplane in flight is known as the "lift" force. (d)

Phagocytes contain digestive enzymes to facilitate the process of phagocytosis

Mass and velocity are the 2 factors used to calculate kinetic energy. the equation for kinetic energy is (1/2)mv^2. hope this !

Question 1 answer: make sure you eat healthy foods and excercise atleast once a day.question 2 answer: sometimes bullying . bullying lowers a persons self-esteem sometimes which can make them not care for themselves to much making them feel bad about there body structer. that or they just have a bad body structer and there family/doctor said its unhealthy how they eat.