The correct answer to the top one is d
Distance= Speed x Time
1hr=60mins
60mins=3600 secs
20 x 3600=72000
72000 is your answer.
Answer:
Hydrogen has only 1 valence electron in its outermost shell.
Explanation:
Answer:
a. 406.3mL
b. 5519.6g
Explanation:Please see attachment for explanation
Answer:there different from the rocky like planets gas giants don't have such a firm surface like rocky terrestrial planets
Explanation: