Embryo stage I think hope this helped
They carry a lot of things and are very portable. Multi-use items.
B.
Speaker of the house is voted on by the House. The Senate has nothing to do with it. Campaign staff isn't controlled by anybody but the campaign manager (or theoretically the candidate), and definitely not the Senate. The Senate doesn't veto legislation, it votes on it. The Senate does, however, confirm the President's major appointments (Cabinet members and other secretaries).
Natural resources are things like water, oil, and fossil fuels.
A way to conserve such things would be to take shorter showers.
Another way to conserve would be to ride your bike to your destinations or take a public transport.
Good Luck! :)