What layer of the earth is the part of the earth capable of life a. core b. lithosphere c. asthenosphere d. mantle e. biosphere

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have

What is the molarity of 60.0 grams of naoh dissolved in 750 milliliters of water? a) 1.1 m b) 2.0 m c) 12 m d) 75 m