Which of the following bonds would be best categorized as covalent? a
Ni-Br
b
Al-S
c
C-O
d
Ca-N

The impact of a large asteroid comet with earth has been proposed to have caused the extinction of the dinosaurs. the impact site of this comet is in or near

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.

What is the radius of a circle whose equation is (x + 5)^2 + (y – 3)^2 = 42? 1. 2 units 2. 4 units 3 .8 units 4. 16 units