7. Why is the development of a battery system essential for the effective use of wind power?
a. Windmills require batteries to turn them.
Ob. Batteries supply power for transporting
electricity from one place to another.
O c. Batteries store excess power for use when the
wind does not blow.
d. Battery farms use less land than wind farms
commonly do.

If a solution is considered basic, then a) the hydroxide ion and hydronium ion concentrations are equal. b) the hydroxide ion concentration is less than the hydronium ion concentration. c) the hydronium ion concentration is greater than the hydroxide ion concentration. d) the hydroxide ion concentration is greater than the hydronium ion concentration.

If two atoms are bonded to a central atom with no lone pairs,how will they be arranged

Which of the following are correct values for the ideal gas laws constant r