Physics, 14.02.2021 14:30 hoolio4495
1. What are the things needed by plants to make their own food?
A. water, chemicals and oxygen
B. oxygen and carbon dioxide
C. oxygen and chemicals
D. carbon dioxide, soil and sunlight
of
2. What kind of interaction is shown when worms live in the guts and flesh
a fish?
A. mutualism
B. commensalism
C. predation
D. parasitism
3. What kind of interaction is shown when monkeys in tropical rainforest
compete for food with other animals?
A. mutualism
B. commensalism
C. competition
D. predation
answer quickly.​
Answers: 2
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Calculate the heat capacity per object when the total energy is 4 quanta. (think of this in terms of increasing from 3.5 quanta of energy in the system to 4.5 quanta of energy in the system, if that were possible.) c4 = __ j/k/object
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Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?
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Suppose a diode consists of a cylindrical cathode with a radius of 6.200×10^−2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
Answers: 1
1. What are the things needed by plants to make their own food?
A. water, chemicals and oxygen
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