Answer:
The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.
Explanation:
Under standard precautions, the nurse should wear the following when cleaning a newly admitted infant with gastroenteritis after a vomiting episode: a single pair of disposable gloves, long-sleeved disposable gowns, mask, and protective eyewear in order to prevent the splatter of the infant's vomit to the eyes, mouth, and nose. Gastroenteritis is caused by a virus that gets transmitted from one person to another either by direct contact or airborne. Touching contaminated or exposed objects, hand-shaking, and sniffing are some of the modes of transmission.
Answer:
The circulatory system or vascular system is an organ system that helps in the transport of the blood from and to the heart. The blood transport also takes oxygen, nutrients, hormones, and other components from the heart to the various part of the brain with the help of the arteries and carry waste such as carbon dioxide to the heart in veins.
The oxygenated blood enters in the left atrium and moves to the left ventricle to the aorta and starts its journey to the body whereas deoxygenated blood enters in the right upper chamber or right atrium of the heart and pump to the right lower chamber and to the lungs to carry the oxygen again. This process is a continuous process.
Answer:
A.the flow of energy between organisms in an ecosystem
Answer:
C. An organism must copy its DNA to pass genetic information to its offspring
Explanation:
Without the copying of the DNA life would not continue as existing organisms would not be able to reproduce and replace themselves.