Oxygen and carbon dioxide that are recycled by the oxygen and carbon dioxide cycles are used in cellular respiration and photosynthesis. true
false​

This term refers to the number of people per unit area (usually a kilometer or a mile). this could refer to the number of people per square mile in a city, a county, a province, a state, or a nation.

30 points in a citizens elect the president as head of government separately from the legislature. question 1 options: parliamentary democracy communist state presidential democracy autocratic state question 2 (1 point) this form of government has only a single political party. question 2 options: communist democratic autocratic parliamentary question 3 (1 point) this is a government controlled by one person with absolute power. question 3 options: communist democratic autocratic parliamentary question 4 (1 point) a government is a government system where all citizens that choose to vote have a say in their government. question 4 options: communist democratic autocratic theocracy question 5 (1 point) in a the people elect the legislature, and the legislature chooses the head of government. question 5 options: parliamentary democracy communist state presidential democracy autocratic state

Is it true the ancient egyptians created a calendar that had 10 days in a week