Physics, 06.05.2020 22:00 leannamat2106
A pet owner dropped some new fish into a pond. Several species of fish lived in the pond, but within a few months, only members of the new
species survived. What best explains why this happened?
A
Too many fish caused an imbalance in the ecosystem, so the food web was affected.
B. All new species have an advantage in an ecosystem.
c. The new species was probably bigger than the other fish in the pond.
D. All of the species were dying out, and the new species was the last to survive.
Answers: 3
Physics, 22.06.2019 17:00
Two conductors, a and b, are each in the shape of a tetrahedron. but of different sizes. they are charged in the following manner: 1. tetrahedron a is charged from an electrostatic generator to charge q. 2. tetrahedron a is briefly touched to tetrahedron b. 3. steps 1 and 2 are repeated until the charge on tetrahedron b reaches a maximum value. if the charge on tetrahedron b was q/4 after the first time it touched tetrahedron a. what is the final charge qbmax on tetrahedron b?
Answers: 2
Physics, 22.06.2019 19:30
Which describes increasing the efficiency of energy resource
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Physics, 22.06.2019 22:00
Ultraviolet radiation is dangerous because it has a high enough energy to damage skin cells. what is the best explanation of the relationship between wavelength and wave energy? a) wave energy is related only to frequency, not wavelength. b) longer wavelengths have lower frequencies but higher energy. c) the shorter the wavelength, the lower the frequency and the higher the energy. d) the shorter the wavelength, the higher the frequency and the higher the energy.
Answers: 3
Physics, 22.06.2019 23:00
Why does gravity have a lesser than grater effect on higher altitudes?
Answers: 2
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