Imagine that a friend has just told you about a news report on giant hornets and is very worried. Write a letter to your friend to calm them down and explain what they can do to stay safe.

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.

How many liters of water can be produced from 5.0liters of butane gas at stp, assuming excess oxygen? c4h10(g) + 02(g) → co2 (e) + h2o (g)

Explain how global warming could have affected yellowstone frog and salamander habitat's, resulting in changes in the populations of these species