PLEASE HELP A population's annual birthrate is 22 per 1000. Its annual death rate is 8 per 1000. Its annual immigration rate is 6 per 1000. And its annual
emigration rate is 4 per 1000. What is its overall annual growth rate?
A) 0.16%
B)1.6%
C) 2.0%
D)0.2%

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

Which of the following represents a negatively charged ion? of t 7

Which describes how weathering and erosion are different? weathering is caused by water. erosion is caused by wind and ice. erosion transports sediments. weathering is a natural process.