The difference between a cell and a tissue is that tissue is made up of cells.
I would say it’s probably B or C
Gene regulation or Gene expression can be defined as a synthesis or make up of protein/RNA(Non-coding). In turn b-globin is (developing red blood cells in and only because its already programmed to).
Either continents, earthquakes, or magma. Im not very sure.
Pollination is a reproduction process foundi in plants where the pollen of one flower is transferred to another flower.
In a more detailed explanation, pollination is a process in which pollinators are protagonists. These (normally insects) go from flower to flower collecting nectar, and during that collection, pollen sticks on to them, and then falls in another flowers interior.
What is pollen?
Pollen are fine particles, of something you might call "dust", produced by the male organs in a plants flower.
Hope it helped,
BioTeacher101