<span>A. efficiency
The efficiency of a machine is the quotient of work output divided by work input.</span>
Answer:
OINKITY OINK FOR BIG BRAINILEST REEEEEEE
lol.
Explanation:
IM NOT A PIG YOU IDIOT
Answer:
Cells make up tissue and tissue makes up all living creatures
Explanation:
Urea is the cellular waste product that the kidneys remove from the blood.Kidneys are the two bean shaped organs that has several functions to keep the body healthy. It not only removes urea from the blood, but also helps in the formation of urine and maintaining the fluid level of the body. The two kidneys are placed on the two sides of the spinal cord. The blood enters the kidney through the renal artery. The nephron within the kidneys mainly take out the waste products and the excess water from the blood and purifies it.If the kidneys of a person fail to work properly then it becomes important to perform dialysis for taking out the waste materials from the blood.
Answer:
Answer: C. The offspring are genetically distinct from the parents because they are produced by sexual reproduction. Explanation: Sexual reproduction occurs through the fusion between an egg and a sperm cell