2 Pretest Unit 2 Question 10 of 30
What bases are found in a DNA molecule?
A. Adenine, guanine, cytosine, and thymine
B. Adenine, guanine, cytosine, and uracil
O
C. Nucleotide and nitrogen
O
D. Phosphate and pyrimidine
SUBMIT

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

How do antiviral drugs work? in your own words.

Explain how scientists use geologic time to determine the age of landforms.