Which factors improve soil fertility? Select the three correct answers.

A. Horizons

B. Bacteria

C. Earthworms

D. Humus

E. High pH

Do all tectonic plates form a continent?

Resolution is best described as the A. ability to view something that is small B. ability to magnify a specimen C. ability to distinguish between two adjacent objects D. ability to distinguish a specimen from its background E.

A uniform electric field of magnitude 31 V/m makes an angle of 30∘ with a displacement of length 10 m.

Where would a boat produce the highest concentration of carbon monoxide?

What is the smallest particle representing hydrogen peroxide? a) a hydrogen atom b) a molecule c) an oxygen atom d) diatomic oxygen

Rhea kicks a soccer ball at 13 km/h to Sean. After kicking the ball, the speed of the soccer ball from Rhea's reference frame is 13 km/h. The speed of the soccer ball from Sean's reference frame is 22 km/h. a.

How is using a digital signal like turning on and off a regular light switch?

Who were the 26 or 27 scientists that found the elements on the periodic table?

What particle is used as a beam to treat cancer

Heat engine x has an efficiency of 67%. heat engine y has an efficiency of 82%. which best compares these two heat engines?