Ayúdenme

Necesitó pasar a octavo ;-;

y nose hacer nada xd

What volume of a 0.25 m solution can be made using 0.55 moles of ca(oh)2

An ecologist is studying the effects that a population of predators is having on a population of a prey. he used data from the field to produce this graph. which conclusion can draw from the graph?

What kind of crystalline solid is graphite? o a. molecular solid b. metallic solid o c. network solid d. ionic solid