Which chemical is released by brain cells along an activated reward pathway?

Hich of these statements explains the relationship among elements, compounds, and mixtures? Elements are made of compounds and mixtures. Both compounds and mixtures are made up of elements.

How does newton's first law of motion relate to galileo's concept of inertia?

How much power should a braked 1.5t car have to be braked to reduce its speed from 30m / s to 10m / s in 5s?

What is most likely happens during a chemical change

what happens when tectonic plates move away from each other? A. molten matter cools and sinks towards the core B. lava travels way from the crust and forms the mantle C. molten matter seeps through crust and forms new land D.

Why is it wrong that igneous always has to become sedimentary because of the rock cycle

Which ion has a positive charge? valence electron covalent ion cation anion

Which is located farther west the central valley or the coast ranges?

Question: If the object is falling for 3 seconds, predict the distance the object falls. If a small amount of air resistance is present, predict what this would do to the distance the object falls.

Burning coal produces which type of gas? carbon dioxide oxygen nitrogen hydrogen