Fill in the blanks
At rest the frog breathes through​

Stage in which a typical star has completely stopped fusion

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17

Which statement is true about a catalyst? a: a catalyst decreases the rate of the reaction. b. a catalyst is consumed during a chemical reaction. c. a catalyst lowers the activation energy of a reaction. d. a catalyst increases the reactant concentration during a reaction.