D because if you are trying to reduce the carbon footprint then using less coal or oil based energy would be best. plus using the solar panels will help because all you have to rely on is the sun and your own power bank for energy. there for leaving less of a carbon footprint.
The great saphenous vein (or GSV).
The mandatory Medicaid service that states must offer to receive federal matching funds is the Medicare. That is option D.
<h3>What is Medicare?</h3>
Medicare is defined a health insurance program offered in US that helps in subsidizing funds for health care services.
Medicaid service is a joint program involving both federal and state government which helps to provide low cost or free health care services to the citizens.
It is a mandatory service that must cover services specific to the federal law to be able to receive federal matching funds.
Learn more about Medicaid service here:
brainly.com/question/1909464
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