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
This should be Speciation.
Speciation is<span> the </span>evolutionary<span> process by which reproductively isolated biological populations evolve to become distinct </span><span>species.</span>
Answer: c. If you cut an onion near a person, then his/her eyes will always begin to produce tears
Explanation:
Answer:
hypha and rhizoids
Explanation:
most of the fungi are saprotroph. They secretes digestive enzymes from hypha of the mycelium on the dead and decaying matter. Digestive enzymes digest complex organic materials into simpler and soluble form in the external medium. With the help of a root-like structure called rhizoids absorb nutrients from external medium into their body.