Physics, 23.02.2021 19:10 Akkenson17871
Wolves were reintroduced to Yellowstone National Park in 1995. This keystone
species restored the park's ecosystem. What is the ecological value of a keystone
species?
They decrease the number of unwanted species in an ecosystem.
They prevent the ecosystem from changing and growing.
They influence the survival of many other species in an ecosystem.
They protect land and water resources within the ecosystem.
Answers: 2
Physics, 22.06.2019 11:30
Acaterpillar tries to climb straight up a wall a meter high, but for every 2 cm up it climbs, it slides down 1 cm. eventually, it reaches the top. when it reaches the top, it does not pull itself over so it will slide down 1 cm. what is the total displacement traveled?
Answers: 3
Physics, 22.06.2019 12:30
Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?
Answers: 1
Physics, 22.06.2019 16:00
The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?
Answers: 3
Physics, 23.06.2019 01:30
Which statements did both aristotle and ptolemy assume? check all that apply.
Answers: 1
Wolves were reintroduced to Yellowstone National Park in 1995. This keystone
species restored the p...
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