Which of the following would be useful in locating a sunken ship at the bottom of the ocean? A: Sonar
B: Lasers
C: Morse code
D: Telescope

If a strand of dna has 35% thymine. what is the percentage of cytosine, adenine, guanine?

One of the reasons that stars are so large is because

Match the correct terms to their descriptions a system in which only energy but not matter is exchanged frozen water in snow part of geosphere that includes only soil a thin layer between the troposphere and the stratosphere cryosphere tropopause closed system pedosphere