Which phenomenon occurs when the sun crosses the plane of earth’s equator

Equinox. Twice a year around March 20th and September 23rd the earth's plane cross the path of the sun causing the day hours and night hours to be almost equal to each other (12 hours of daylight, 12 hours of night). It's not exactly the same because of the sun's refraction and size, but it is fairly close.

Cramming you staying up all night to get a lot of work done for a class and is very stressful

In some developing nations the percentage of the animal protein from fish in the diet can be as high as 25 percent.  about 85% of fish caught is used for human consumption.  the remainder is converted into fishmeal and fish oil.