1. What is the atmospheric layer responsible for long-distance radio communication?

Question 1 options:

Troposphere

Stratosphere

Exosphere

Thermosphere

What factors does the gravitational potential energy of an object depend on

Is table salt a compound

Mr. Holmes is busy making a paper mache volcano that he is sure is going to win the national science fair contest. He only has room in the volcano's vent to put 100g of baking soda and 100ml of vinegar. Mr.

What is the class that includes sedimentary rocks which are deposited from a solution made by organic processes?

Calculate the mass of ZnCl2 produced by the reaction of 49.8 grams of H2. Zn + 2HCl ZnCl2 + H2

State one major difference between having a nitrogen atom in a ring structure and having an oxygen atom in that structure

Can dowels be chopsticks, since both of them are wood?

Which electron configuration represents the electrons in an atom of Ga in an excited state?

Why are there so many volcanoes in and around japan

A liquid fuel mixture contains 30.35% hexane (c6h14), 15.85% heptane (c7h16), and the rest octane (c8h18). what maximum mass of carbon dioxide is produced