A population of deer live in a forest ecosystem. Which of these describes a density-independent factor that could affect this population? A. An invasive species causes increased competition for space.

B. A new predator is introduced into the ecosystem.

C. A wildfire occurs in the ecosystem.

D. The deer population's food supply decreases.

For each of the following compounds, write the formula then predict whether it would be a strong, weak, or non-electrolyte when placed in di water. for the ionic compounds only, put (s) or (aq) after the forrmula formula strong, weak or non electrolyte? a calcium hydroxide b. silver carbonate c. lead(ii) sulfate d. phosphorus trifluoride e. sodium phosphide f barium sulfate g. strontium acetate h. zinc nitrate

Identify the electromagnets with poles that are reversed from the electromagnet shown above

In a water molecule, hydrogen and oxygen are held together by a(an) bond. a) double covalent b) ionic c) nonpolar covalent d) hydrogen e) polar covalent