1. Which of the following describes a biotic influence on population size? A. Decreased rainfall leads to less space for fish in a pond to live.
B. A fungus causes a disease in cherry trees and leads to those trees dying.
C. A volcano eruption destroys most of a mountain ecosystem.
D. Increased sunlight causes plants to grow more quickly.

Provide a stepwise curved arrow mechanism that fully explains the outcome of the reaction shown below. oh нао* heat он

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.

What is the binding energy of a nucleus that has a mass defect of 5.81*10-^29 kg a 5.23*10-^12 j b 3.15* 10^12 j c 1.57*10-3 j d 9.44*10^20 j