According to the nebular theory, all of the bodies in the universe evolved from a rotating cloud of gases and dust about five billion years ago
Indicate whether the statement is true or false
TRUE
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What was the cause of flooding in the 1993 upper Mississippi River flood?
A) Heavy snowmelt in Canada sent large volumes of water down the river in the spring. B) A dam failed because it had been built in a risky place near a fault. C) Persistent thunderstorms caused large amounts of rainfall over a several-state region. D) Winter produced rain that melted snow that was on the ground.
We deal with toxic substances every day. All of the following are methods used to limit risk from exposure to toxic substances EXCEPT
A. establishing a level (threshold level) below which exposed test animals show no reaction. B. setting limits to the amount of exposure a person is allowed to receive in the workplace. C. subjecting test animals to a substance to see if they become ill or die. D. prohibiting the use of toxic substances by the public.
The time of day an earthquake strikes is not a critical factor affecting loss of life from the event.
Answer the following statement true (T) or false (F)
Autotrophs do not respire.
Answer the following statement true (T) or false (F)