A water softener removes calcium and elements such as magnesium that show similar chemical behavior.
Answer the following statement true (T) or false (F)
True
Environmental & Atmospheric Sciences
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If lahars can travel at 100 kmph (60 mph), how much time would it take for a flow to reach the school closest to the summit?
What will be an ideal response?
Environmental & Atmospheric Sciences
Humans (Homo sapiens) are
a. clastic wedge. d. invertebrate. b. bipedal. e. ectothermic. c. quadrupedal.
Environmental & Atmospheric Sciences
Bats prey on certain species of moths by using high-frequency echolocation to locate them. Certain moths have evolved ears that can hear these frequencies allowing them to escape. This is an example of ____.
A. mimicry B. commensalism C. a behavioral strategy D. coevolution E. mutualism
Environmental & Atmospheric Sciences
What prevents rocks in the mantle from melting?
A. Temperature B. High iron content C. High sulfur content D. Pressure
Environmental & Atmospheric Sciences