ions are atoms or groups of atoms that have a positive or negative charge. which of the following statements is true of ions?

In a series of rock layers, a geologist finds fossils of a pine trees and oak trees in layers that are 1.0 m and 1.5 m deep. However, in a layer that is 2.0 m deep, he finds fossils of tropical plants and trees. Which explains his findings? A.

A zero on the kelvin temperature scale is called "absolute zero." a. true b. false

Describe separate situations for when an authoritarian and delegative style of leadership would be utilized

How to understand that an inductor behaves like short circuit and capacitor like an open circuit in steady state in a network?

Which situation is the BEST example of inertia?

How many neutrons does element x have if it's atomic number is 35 and it's mass number 71

The potential difference between the terminal of an electrical heater is 60v when it draw a current 4A fron the source. What current will the heater draw if the potential difference is increased to 120v?

Which answer choice best explains why nuclear reactions release more energy than chemical reactions? Electrostatic forces of repulsion are thousands of times stronger than gravitational forces.

A train's mass is 18181.81 kg. What is its weight?

a 3.0m long frictionless pendulum swings with a maximum angluar displacement of 10 degree from the vertical. at its lowest position the kinetic energy of the pendulum is 20.0j what is the potential energy of the pendulum when the kientic energy is 5.