Human activity can affect ecosystems by removing producers, consumers, and decomposers. What limiting factors may result from human actions, and what effects might they have on the flow of energy and matter in an ecosystem?

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

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13