Why is it difficult to see colors outside at night?

question 3 options:

a. our eyes have rods and cones inside. the rods us see color, but they need more light to work.

b. our eyes have rods and cones inside. the cones us see color, but need more light to work.

c. at night, objects absorb light instead of reflect it, so the eyes are unable to see.

d. at night the light is black instead of white so the colors look different.

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

6–48 bananas are to be cooled from 24 to 138c at a rate of 215 kg/h by a refrigeration system. the power input to the refrigerator is 1.4 kw. determine the rate of cooling, in kj/ min, and the cop of the refrigerator. the specific heat of banana above freezing is 3.35 kj/kg·8c.