a. more expensive vehicles
b. less gas mileage
c. fuel with less emissions
d. higher fuel prices
Answer: Fuel with less emission.
Explanation:
Science and technology has developed an efficient fuel E-85 which is known as flex fuel, this fuel refers to the high-level ethanol-gasoline blend that contains 51% to 83% ethanol.
It depends on the season and geography. It can be used as an flexible fuel. This fuel has less emission as compared to the conventional fuel. The emissions consists of hydrocarbon, oxides of nitrogen, carbon dioxide and carbon monoxide.
B. Blood pressure would increase between heartbeats.
C. Blood flow would be temporarily blocked between heartbeats.
D. Blood volume would increase between heartbeats.
Answer:
The correct answer is option A, Blood pressure would drop during a heartbeat
Explanation:
When the arteries get constrict, the walls of arteries reduces the space/volume with in the arteries which causes blockage for a very minute time period. When the flow is blocked the blood pressure increases, while when the walls are released the pressure reduces but the flow increase.
This process is also refered to as Vasoconstriction and it is a normal process which stabilizes the blood pressure.
There aren't many jellyfish fossils because they are made of soft tissues and they dont hve and bones hope this helps.
It is 3 . I wish it help. Please comment on my answer. Thank you