A prediction

A. is not a strategy used in a scientific investigation.

B. is the final step in a scientific investigation.

C. is an optional step in a scientific investigation.

D. is a necessary step in a scientific investigation.

Two students below described a part of Earth's innermost layer: Daniel: Densest part Joshua: Has highest temperature and pressure Which part of the innermost layer did Daniel and Joshua describe? A. They both described the outer part. B.

What is pitch and how is it measured

How long would it take the Earth to complete 4 orbits around the Sun?

What is the most likely evidence of an energy transformation taking place when a skater glides over ice?

A resistor uses 100 w of power when connected to 120 v emf. What is the current through the same resistor when connected to a 220 v emf?

An object is undergoing shm with period 0.900 s and amplitude 0.320 m. at t = 0 the object is at x = 0.320 m and is instantaneously at rest. calculate the time it takes the object to go (a) from x = 0.320 m to x = 0.160 m and (b) from x = 0.

Your friend states in a report that the average time required to circle a 1.0-mi track was 49.325 s. This was measured by timing 10 laps using a stopwatch with a precision of 0.01 s. Do you believe his results are reliable? Explain.

The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Why the room gets hot even we open the door of refrigerator?

What effect will taking a dose of antibiotics that is too small have on the bacteria you are trying to destroy? a. all of the bacteria will pass on their genes b. none of the bacteria will pass on their genes c.