What is an effect of the reduction in bird populations? A. Overfishing
B. Increased insect populations
C. Climate change
D. Deforestation

Based on the equation and the information in the table, what is the enthalpy of the reaction?

Which is a characteristic of the electron sea model for metallic bonding? molecular orbitals overlap to produce bands. electrons flow easily between metal nuclei. electrons are in fixed positions in the orbitals. atomic nuclei are arranged in an irregular pattern.

Which statement characterizes synthetic polymers? a. they come from animals and plants. b. they are found in nature. c. they are made in a lab. d. they are components of starch.