What is a push or pull that acts on a object

Since groundwater is largely unseen from the surface, how might you monitor how humans are affecting the amount of groundwater in a aquifer

What kind of electronic component is an LED (light emitting diode) ?

Which of the following statement about the use of prescribed fires in the everglades is true

An unknown object is placed on a balance, which then reads 6.118 g. its volume is measured to be 3.04 cm3. find the density of this object by dividing mass by volume.

Marcia is given an incomplete chemical equation that includes the number of nitrogen atoms present in the products of the reaction. How can she conclude that the reaction started with three nitrogen atoms?

Ina shoots a large marble (Marble A, mass: 0.08 kg) at a smaller marble (Marble B, mass: 0.05 kg) that is sitting still. Marble A was initially moving at a velocity of 0.5 m/s, but after the collision it has a velocity of - 0.1 m/s.

The elements that touch the zigzag line ar classified as

The half-life for a 100-gram sample of radioactive element X is 5 days. How much of element X remains after 10 days have passed? A. 25 g B. 100 g C. 75 g D. 50 g

During a transit, a passes in front of its parent star, temporarily decreasing the star's brightness by a small amount.

How much of each food dollar goes to the producer