A covalent bond forms due to . a. Sharing of electrons
b. Transfer of electrons
c. Losing or gaining electrons
d. All of the above

Put the following steps of the convection process in the correct order. 1. gravity pulls cooler matter downward. 2. the matter expands and decreases in density. 3. an up-and-down flow of matter produces a convection current. 4. matter is heated. 5. warmed matter is forced upward. question 2 options: a) 4, 2, 5, 1, 3 b) 2, 4, 3, 1, 5 c) 3, 2, 5, 4, 1 d) 1, 4, 2, 5, 3

Which step is not included in the step approach to calculating the greatest common divisor?

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above