Which statement correctly describes hunting and gathering today?
A) A very small percentage of humans today practice hunting and gathering.
B) 1 out of 10 people on the planet practice hunting and gathering.
C) The men focused on collecting berries, nuts, and roots.
D) Hunter gatherers live in large communities.
E) The groups traveled infrequently.
Answer: A
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Judge the following sentence according to the criteria given below. Oxygen 18 and Oxygen 16 are called stable isotopes because they are the stable products of radioactive decay
A) The assertion and the reason are both correct, and the reason is valid. B) The assertion and the reason are both correct, but the reason is invalid. C) The assertion is correct but the reason is incorrect. D) The assertion is incorrect but the reason is correct. E) Both the assertion and the reason are incorrect.
The difference between the photosynthetic production of carbohydrates and the respiration loss of carbohydrates is known as
A) net primary productivity. B) compensation point. C) free air CO2 enrichment. D) net photosynthesis.
Discuss the formation and characteristics of karst features and examine the various types of karst topography and associated landforms
What will be an ideal response?
An unconformity which is formed between two sets of essential parallel beds of sedimentary rocks is called
a. an angular unconformity b. a disconformity c. a nonconformity d. a paraconformity