An equinox is an occurrence that happens twice a year and is when the plane of the Earth's equator passes through the center of the Sun. During this, the hours of day and night are almost equal throughout this plane throughout the world.
In facilitated diffusion molecules only move with the aid of a protein in the membrane. Normal diffusion requires molecules to move through a special doorway
The answer is C i hope it’s right but i searched up
Density = mass / volume
Plug in the values for mass and volume
Density = 1,800g / 300cm^3
Density = 6 g/cm^3
