Which of the following is not a natural cause for global climate change?
A) Changes in solar input
B) Increase in elevation
C) Tectonic plate movement
D) Variation in the Earth's orbit
E) Volcanic activity
Question 2
Judge the following sentence according to the criteria given below: Usually a parasite does not rob enough energy to kill the host BECAUSE some fish have a protective agent in the mucus that coats their bodies.
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.
Solar Airplane
Sleep Requirements Change with Age
Natural Causes of Climate Change
Latin America in the Global Economy
Europe’s Climate
Climate Change: Timescale decades to centuries