Based on the information given below, about how many trips around the milky way has the sun made since the emergence of life on earth? age of earth: 4.5 billion years first life on earth: 3.5 billion years ago orbital period: 250 million years orbital speed: 220 km/s distance to galactic center: 30,000 light-years a. 1.3 b. 5 c. 14 d. 18

oxygen +1 most likely

answer: b

coz red blood cells marrow and circulates the body for 120 days.

garbage disposal because lysosomes dispose of old cell parts like garbage disposals dispose of old food.

well, since there is no answer choices, i will give an answer on how it works : )

the two objects are placed together. energy will always be transferred from the hotter object to the cooler object until they are equal. hope this is close to one of the answer choices : )