If blood typing is not available in an emergency situation, O-Negative blood is universally accepted by all blood types because it is absent of any antibodies. Therefore, if O-Neg blood is on hand in emergency situations, it can be given to anyone.
The summer solstice is the first day of summer. This day, June 21, is the longest day of the year.
Answer:
Chemical Energy!
Explanation:
A Battery is made of chemical energy!
Marble and slate are examples of impermeable rocks.
