Answer:
Swishing sound.
Explanation:
Human heart produces unique sound when blood flows from one chamber to the next chamber. The two main sounds produced by heart are lub abd dub sound.
The doctor's examine the Janetta's heart and told that she has incompetent right atrioventricular valve. The doctor must have heard the swishing sound after the closing of right atrioventricular valve. This sound is the direct indication of incompetent AV valve.
The answer is option B "horn." The land form horn was formed because when glaciers erode down to form a sharp peak which is called a horn. All of the other options are false because none of those land forms are formed because of the erosion of glaciers only horns are.
Hope this helps.
Kidney
explaination
The liver, the pancreas, the kidneys, and the brain (hypothalamus, the autonomic nervous system and the endocrine system) help maintain homeostasis. The liver is responsible for metabolizing toxic substances and with signaling from the pancreas maintains carbohydrate metabolism
Venus is called Earth's "sister planet" because it has similar size, mass, gravity and density. but the planet with the most similar atmosphere is Mars.
Some minerals can form from the air combining with substances, they can form from igneous rock, and sometimes minerals can re crystalize from metamorphic rock