Which of the following statements describes the relationship among elements of an ecosystem?
a. elements of an ecosystem are mutually dependent on each other.
b. there is no relationship among elements within an ecosystem.
c. abiotic elements are dependent on each other, while biotic elements are not dependent each other.
d. a cause and effect relationship is limited to abiotic elements only.

How many cups of raisins do they haveall together? 2. about 210of the bones in your body arein your skull. your hands and skullcombined account for 720of you bones. how many bones do you have in yourhands? 3. for mother’s day, jen took her motherhiking. they hiked three trails. thearrowhead nature trail is 115of amile, the coquina baywalk is 210_ of amile, and the robinson preserve is 412of a mile. how far did they hike in all?

Which country is currently the most populated country in the world? a. india b. china c. mongolia d. indonesia

What structure on the south african coast has a range of 63 km and releases flashes every 30 seconds?