You can tell a eukaryotic and prokaryotic cells apart by looking for the nucleus. Eukaryotic cells have a nucleus while prokaryotic does not.
Does this one work?
F, Cl, Br, I, At, and Uus are all halogens.
Answer:
D. 12.50a + 9c + 25
Explanation:
Assuming that the variables:
a = adults
c = children
Set the expression.
Adult tickets cost $12.50 (given): 12.50a
Child tickets cost $9 (given): 9c
"Other expenses" cost a flat sum of 25: +25
12.50a + 9c + 25 is your answer, or D).
~
Answer:
C. Cambrian
Explanation:
The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record.
C. use energy they take in from the environment to convert inorganic molecules into complex organic molecules