When air is heated up the molecules spread out and move faster, so heat rises because it is less dense than the cooler air around it.
The aorta carries oxygen rich blood away from the heart.
The pulmonary artery transports deoxygenated blood from the heart to the lungs.
The inferior vena cava carries deoxygenated blood from the lower body to the heart.
The coronary artery branches from the aorta and provide oxygen to the heart muscles.
Answer:
Nucleoid
Explanation:
Prokaryotes are unicellular organisms that lack organelles or other internal membrane-bound structures. Therefore, they do not have a nucleus, but, instead, generally have a single chromosome: a piece of circular, double-stranded DNA located in an area of the cell called the nucleoid.
B) honey
A shirt is a solid, and helium is a gas at room temperature. A nebula is... not an object.
A cell membrane can me compared to a wall, one that is flexible and malleable but strong enough to repel unwanted things from the cell. it also keeps the cell together in its shape and form
