The Intergovernmental Panel on Climate Change has issued which of the following statements?
A) Climate change models can mimic present-day conditions only if human emissions are taken into account.
B) Human climate alterations have not yet produced significant impacts on biological systems.
C) Ocean acidification is not a problem because the ocean does not absorb carbon dioxide gas.
D) Recent regional climate changes have not yet affected physical systems on Earth.
E) The temperature increases observed since the mid-20th century are very likely due to natural causes.
A
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Which of the following describes the temperature of a rising air parcel?
A. It warms due to compression B. It cools due to compression C. It warms due to expansion D. It cools due to expansion
When carbon dioxide first enters the ocean and combines with water, what chemical compound is formed first?
a. bicarbonate b. carbonate c. carbonic acid d. calcium carbonate e. hydrogen ions
What biological chemical is important in heredity of traits?
a. Carbohydrates b. Nucleic acids c. Lipids d. Proteins
Coordinate systems are used to determine __________ location, which refers to a point on Earth's surface
Fill in the blank(s) with correct word