What season is the Northern Hemisphere experiencing when it is tilted directly toward the sun?

As an experiment a science class puts vinegar and baking soda into a large bottle and then puts a cork in the bottle. The carbon dioxide from this mixture shoots the cork into the air.

And Endothermic reaction is ...

How many electrons are in the outermost shell of the ga3 + ion in its ground state?

What is the brightest thing in the universe and how is it formed

The extraction of pure copper is expensive. Give one reason why

Is the atom indicated with an arrow nucleophilic, electrophilic, acidic, more than one of these choices, or none of these choices? (For purposes of this question, acidic is defined as pKa ≤ 25.) Select all that apply.

Na and Mg ions each have ten electrons surrounding their nuclei. which ion would you expect to have the larger radius? Explain your answer

A bowl of trail mix and a bowl of soup are examples of what type of matter? 9 (a) solution (b) heterogeneous mixture (c) element (d) compound

What's difference between "formula unit" and "molecule"?

It is nighttime where Candice lives, so A. she will be able to see half of the Sun in the sky. B. she will be able to see both the Sun and the Moon in the sky. C. she will not be able to see the Sun in the sky. D.