Groundwater came to be in the ground how long ago?
A. within the last 1,000 years
B. during the last ice age, 12,000 years ago
C. during the formation of the Earth
D. It is continuously recharged with snowmelt and rainwater.
Answer: B
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The organism labeled B in the accompanying figure is a common ancestor to:
a. organism 2 only.
b. organism 3 only.
c. organism 5 only.
d. organism 6 only.
e. organisms 2, 3, 5 and 6.
Which of the following marine organisms produce potent neurotoxins that cause extensive fish kills, contaminate shellfish, and create severe respiratory irritation to humans along the shore?
A) red algae B) dinoflagellates C) diplomonads D) euglenids E) golden algae
Replication of most ________ viruses is similar to normal cellular processes.
A. dsDNA B. ssDNA C. +ssRNA D. -ssRNA E. dsRNA
Body mass index (BMI) is useful because it gives you an idea of how much of your weight is due to adipose tissue.
Answer the following statement true (T) or false (F)