A tetrapod is a(n) ____
a. extinct dinosaur species
b. reptile with four legs
c. flying mammal
d. type of fish
e. four-legged vertebrate
e
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Scientists in the country of ________ issued the first successful short-term earthquake prediction in 1975
Fill in the blank(s) with correct word
A scientist tests how quickly each of the following substances will settle out of water
To measure this property, she separately tests each of the following by placing 100 grams of the substance and 500 milliliters of water into a 1-liter jar with a tight lid. She then shakes the jar violently for 1 minute and places the jar on the lab table. Which one of the following would settle the fastest, creating the clearest water in the fastest amount of time? A) Gravel B) Clay C) Silt D) Sand
Which of the following is another name for hydrogenation?
A) hydrolysis B) hydration C) reduction D) oxidation
Which naturalist stated that regulated hunting can maintain a proper balance of wildlife?
A. Rachel Carson B. Lewis Thomas C. John Muir D. Aldo Leopold