Answers: 3
SAT, 24.06.2019 19:30
Two technicians are discussing how to test a car's exhaust by holding a small piece of paper within an inch of the tailpipe mouth. technician a says that if the paper is vibrating due to a "puffing" output from the tailpipe, this signals a smoothly running engine. technician b says that if the paper is being drawn toward the tailpipe, this could indicate burned exhaust valves. who is correct? a. technician b b. both technicians a and b c. technician a d. neither technicians a or b
Answers: 1
SAT, 25.06.2019 22:00
In the image, layer a is the topmost layer. layer c contains fossils from the precambrian era. layer b contains dinosaur fossils, and layer a contains fossils of mammals. which two statements are supported by this evidence? 1. mammals lived before the precambrian era. 2. dinosaurs and mammals existed in the precambrian era. 3. dinosaurs evolved after precambrian organisms. 4. precambrian organisms evolved after dinosaurs. 5. precambrian organisms were the first life-forms to become fossilized, according to this sample.
Answers: 1
SAT, 27.06.2019 14:00
Ricks boss often appriciates him for his work.how is rocks boss affecting his proformence
Answers: 1
SAT, 02.07.2019 00:00
Plz ! if the age of the lowermost layer of a rock sample is more than 2 million years, which of the following could be the age of the upper layers?
Answers: 1
Which of the following best describes how enzymes function?....
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