Answer:
It could be either B. or D.
Explanation:
Its's not A or C because its something big you'd have to carry around for A.
C: Because it's a power point in which you'd need a computer to carry.
B and D. are both portable and small. They are easy to carry around with. I'm not sure between the 2 of them, sorry.
Answer:
gas are well separated with no regular arrangement. liquid are close together with no regular arrangement. solid are tightly packed, usually in a regular pattern
Answer:
protects your brain cause even your skull will break if you hit your head with no helmet on seatbelts help keep u from being launched thru the front window and rools help people from drowning in pools and keeping your brain acive
means u are alert
Explanation:
The answer is A ...............