Mount Saint Helens is a popular place for many mountain climbers. The current official elevation of the summit (highest point) is 29,029 ft. Which of the following would be the greatest challenge for mountain climbers to adjust to as they climb up the mountain?

An electron and a proton have the same kinetic energy upon entering a region of constant magnetic field and their velocity vectors are perpendicular to the magnetic field. suppose the magnetic field is strong enough to allow the particles to circle in the field. note: you'll need to look up the masses for an electron and proton. 1) what is the ratio of the radii of their circular paths rp/re?

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

What are atoms of the same element with varying number of neutrons