Answer:
ELECTROMAGNETIC WAVES
Explanation:
light travels from sun to earth through the vacuum using electromagnetic waves. electromagnetic waves are transverse waves which can travel in vacuum. the electric field and magnetic field are perpendicular to each other and the waves move in the direction perpendicular to boths the fields.
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Answer: amphibians
Explanation:
earthworms, grasshopper, lancelets, octopus, crab, tunicates, starfish are all invertebrates.
lancelets(cephalochordata) and tunicates(urochordata) are chordates but do not have a backbone.
Answer:
Okay you didnt give me choices
Explanation: