Which of the following is not true regarding human influence on monsoon pattern?
A) Most scientists concur that human activity will have little effect on monsoonal patterns.
B) Warming temperatures caused by increased greenhouse gases may increase monsoon precipitation.
C) Rising concentrations of aerosols may cause an overall drop in monsoon precipitation.
D) The relationships are complex and further compounded by natural oscillations in global circulation.
A
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A heavy truck and a small car rolling down a hill at the same speed are forced to stop in the same amount of time. Compared to the force that stops the car, the force needed to stop the truck is
A) greater. B) smaller. C) the same.
Four of the five statements about kudzu are true. Which one is the exception?
A. It provides a starch used in beverages and gourmet confections. B. It provides herbal remedies for several diseases. C. It can be controlled by normal weed control measures. D. Almost every part of the plant is edible. E. It is a source of fiber for paper that could replace use of trees.
According to currently accepted scientific theories, Earth is never affected by catastrophes
Indicate whether the statement is true or false
The Great Oxygen Event marks the time, approximately 2.5 billion years ago, when ________
A) there was enough oxygen in the atmosphere to support a major burst of life on Earth B) photosynthesis was clearly established and producing oxygen. C) there was a massive volcanic eruption that lead to a very rapid increase in oxygen levels on Earth D) there was significant oxygen in the atmosphere E) there was a cataclysmic weather event that absorbed most of the oxygen in the atmosphere and locked it into iron deposits in the oceans