The answer is A. a light wave
C and D both need water as a medium and sound needs air to vibrate in order to travel. light, on the other hand, does not need a medium
Answer:
its a because the alphabet start off with a
Explanation:
^^^ you welcome
The worm would be unable to burrow and dig through the soil.
Chaetae are involved in the locomotion of the worm by giving the worm grip and <span>tools</span> to burrow <span>through</span>
the soil. <span> </span>Chaetae <span>are</span> made of chitin project from the body wall <span>on</span> each segment are arranged in 4 pairs and are
sited on the ventral surface - two pairs of ventral chaetae are found just
either side of the midventral line and two pairs are further out in the
ventrolateral position (that is just ventral of the side of the worm).
When two sea caves on opposite sides of a headland are eroded and unite a sea arch forms.
Sea arch is a natural opening and a type of erosional landform that forms due to different rates of erosion, usually as a result of different resistance of bedrock. Sea arch is made up of a soft rock that eroded as waves hit land which creates caves in the rock. Two caves may become jointed over some time to form a tunnel and eventually, a sea arch.
Answer:
Through their lungs.
Explanation:
They need lungs to take in oxygen and oxygen is vital for survival.
