What did Hooke create, and what impacts did he make on the development of the cell theory? (i have no pictures for the question btw)

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

Plz will mark! the diagram shows the positions of the sun, moon and earth during spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Asap i will reward you brainliest for best which sentence about protists is accurate? all protists are unicellular and microscopic in nature. they have organelles, so protists are eukaryotic in nature. all protists make their own energy through photosynthesis.