What is the main difference between the flow of energy and nutrients in an ecosystem? A) Nutrients do not flow through an ecosystem, while energy does.
B) Energy does not flow through an ecosystem, while nutrients do.
C) Energy cycles through an ecosystem, while nutrients do not.
D) Nutrients cycle through an ecosystem, while energy does not.
PLS HELP ASAP

i think a) betsy can donate only blood to mark is correct because, mark and betsy have the same blood type. whereas nobody else has b+ blood so betsy can't donate to them.

there are 35 white marbles

step-by-step explanation:

y- yellow marbles

4y + 5 = 45

subtract 5 from both sides

4y = 40

divide for from both sides

y = 10

plug in 10 to get 40 yellow marbles then subtract by 5 to get 35 marbles

thus there are only 10 yellow marbles

it’s lava came from an explosive eruption