4) digestive and circulatory, because the bladder is part of the digestive system. The circulatory system carries blood around the body using blood vessels.
It's B
Explanation:
Because the fossil record shows how organisms have evoluate from relatively simple organisms to more complex organisms
Answer:
Taking shorter showers or turning off the faucet while brushing your teeth can reduce water waste in your home. Only use your dishwasher or washing machine when there is a full load, and switch to energy-saving appliances if possible.
Explanation:
The answer is B) <span>Nuclear power has far less environmental impact than using coal or natural gas to produce electricity.</span>
Answer:
Check and repair leaky plumbing regularly.
Explanation: