Azebra migrates to join a different herd of zebras

Which of the following choices is not an effective solution to the energy waste related to inefficient lighting? a. using low-pressure sodium lighting sources b. pointing lights on billboards and street signs upward c. placing light sources on time controls d. shielding light to direct it downward

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water

What should be the strand of complementary dna produced by the strand of dna shown below cgt ata