Cowbirds follow groups of cows, or other grazing animals, eating the insects kicked up by the walking animals. The herbivores are not bothered by the cowbirds. This relationship is an example of: a
Competition
b
Commensalism
c
Predation
d
Mutualism

Photoelectrons with a maximum speed of 6.50 x 107 m/s are ejected from a surface in the presence of light with a frequency of 6.75 x 1014hz. if the mass of an electron is 9.10 x 10-31 kg, calculate in joules the maximum kinetic energy of a single electron. 3.84 x 10-15 j 1.92 x 10-15 j 5.92 x 10-23 j 3.07 x 10-16 j

Which of the following types of electromagnetic radiation has the longest wavelength? a. infrared light b. visible light c. ultraviolet light d. microwaves

What characteristics of hv2112 make it the best candidate to be classified as a thorne-zytkow object?