Fossil fuels can be replaced. Yet, they are considered
nonrenewable. Why?
A. Fossil fuels only take a few years to
replenish.
& Dirt
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B. Fossil fuels take millions of years to
replenish.
C. Fossil fuels can never be replenished.
Silt

Waves are used in many practical applications to support work, entertainment, and health. one example is the use of ultrasound imaging to safely track the development of a growing fetus. what is a specific example of a practical application of waves in medicine, entertainment, safety, or other fields? provide a brief explanation of how the properties of waves are useful to that application.

14. a body is projected with velocity vi from a.at the same time another body is projectedvertically upwards from point b withvelocity v2 lies vertically below the highestpoint. both the bodies collide thenv2÷v1is

The electric field direction is defined by the direction of the force felt by (select one of the following answers): 1. a negative charge. 2. a positive charge. 3. both positive and negative charges.