Answer:
D
Explanation:
Males have testes while females have ovaries
The weight of an apple is usually measured in grams.
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Correct Question:
Two sound waves (wave X and wave Y) are moving through a medium at the same speed. If wave X has a greater frequency than wave Y, then wave X
A. has a lower amplitude.
B. has a shorter wavelength.
C. has a longer wavelength.
D. has a greater amplitude.
Answer:
C. has a longer wavelength.
The basic equation of frequency and speed are
velocity = frequency x wavelength
When both waves' velocities are the same then
v1 = v2
f-1 x wavelenght-1 = f-2 x wavelenght-2
Now increasing frequency of wave X will increase the wavelength of wave Y for the equations to be equal.
Extension or straightening of the elbow stops when the proximal end of the ulna engages the olecranon fossa of the humerus.
Explanation:
Extension of the elbow is the straightening of the forearm or bringing it back to its anatomical position by the triceps brachii and the anconeus muscles.
The elbow joint, a hinge type of joint, is formed at the conjunction of humeral distal end with the ulnar proximal end.
Olecranon process is a structure at the ulnar distal end which fits exactly into the olecranon process at the humeral proximal head with the arm in extended position.
Olecranon fossa is a <em>triangular</em> depression or fossa which is deep in the posterior humerus. So the range of motion due to extension of forearm terminates or limits at the contact of the ulnar olecranon process with that of the humeral olecranon process at the olecranon fossa.