Answer: The correct answer is A. Hydrogen and chlorine need to be balanced. There's an equal amount of magnesium on each side.
Answer:
Dark-colored mice are better able to hide from predators.
Explanation:
If all of the light mice are eaten, then there are none left to pass on the light-furred gene, meaning that there would be no offspring without dark fur.
Answer:
190.2 grams
Explanation:
each arrow points to the amount it weighs, just add it all up
Answer:
19.3 g/cm3
Explanation:
A 10.0 cm3 sample of copper has a mass of 89.6 g. What is the density of copper? 19.3 g/cm3.
