Increasing levels of greenhouse gases have caused a ________
A) decrease in ocean temperatures and a decrease in ocean pH
B) rise in ocean temperatures and an increase in ocean pH
C) rise in ocean temperatures and a decrease in ocean pH
D) decrease in ocean temperatures and an increase in ocean pH
C
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A population is ________
A) a group of individuals of several interacting species that live in one area B) the sum of all individuals of a species in all locations C) a group of individuals of a single species that live and interact in one area D) a group of individuals of several interacting species that interact in multiple ecosystems E) a group of cells that have similar function
On this graph, what dose in hypothetical units did it take to kill 25% of the population?
What will be an ideal response
The Coriolis effect is the apparent deflection in the path of a moving object due to
A. the rotation of the earth. B. the revolution of the earth. C. the pressure gradient force which increases with latitude. D. the pressure gradient force which decreases with latitude.
Answer the following statement(s) true (T) or false (F)
1. Africa South of the Sahara is the world's materially poorest region. 2. In many parts of Africa, people of different religious beliefs live together peaceably. 3. Europeans justified enslaving Africans because they believed that Africans were of an inferior race. 4. Present-day boundaries in Africa are determined by distribution of African ethnic groups. 5. Angola and Mozambique suffered from civil war after independence from Britain.