Biology, 07.10.2020 14:01, helloitschump0vfdz
Passive transport involves movement of substances
A. from areas of lower concentration to areas of higher concentration.
B. from areas of higher concentration to areas of lower concentration.
C. from areas in which the concentration has reached a balance.
D. from areas of differing concentrations with the use of cellular energy.
Answers: 1
Biology, 22.06.2019 00:00, natalievick03
Acar company is testing seatbelts using crash test dummies. the company finds that when cars come to a sudden stop, the crash test dummies' bodies continue to move forward. the seat belt keeps the crash test dummies from hitting the back of the seat in front of them. why do the crash test dummies' bodies continue to move forward even though the car stopped? a. the friction opposing their bodies' movement keeps them in motion. b. the inertia of their bodies keeps them in motion. c. the forward acceleration of the car keeps them in motion. d. the gravity pulling on the car keeps them in motion.
Answers: 1
Biology, 22.06.2019 09:10, ballin4534
Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10
Answers: 2
Biology, 23.06.2019 04:00, livvyr0cks
Agriculture is changing the environment. with increased populations, there is a greater demand for food. which of the following is not an impact of farming? a) pesticide and fertilizer pollution b) sediment transport and deposition downstream c) increased water supply and flooding d) desertification and deforestation
Answers: 1
Passive transport involves movement of substances
A. from areas of lower concentration to areas of...
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