How much of the electrical energy used to light an incandescent bulb is converted into light energy

The kobe habor wharfs where the center of japanese exports to other countries. it had 200 wharfs before the earthquake. how many wharfs remained undamaged after the earthquake? a. 130 wharfts b. 3 wharfs c. 30 wharfs

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?