8) If a substance measures 7 on the pH scale, that substance
A) has equal concentrations of H+ and OH-ions.
B) may be lemon juice.
C) has a higher concentration of OH- than H+ ions.
D) probably lacks OH-ions.
E is basic.

Whay is the following best defines climate

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land