A drought that limits food availability
Bacteria or fungi were the first organisms know to mankind till This day
One is 2nd and 2 is 4th one
Chemical energy, since photosynthesis and cellular respiration both store energy in chemical bonds.
The H zone completely disappear in a fully contracted sarcomere because THE SACROMERE SHORTEN AS THE Z LINE ARE PULLED CLOSER .
The Z lines which denotes the end of the sacromere are far apart at rest, in a contracted muscle they are drawn closer to one another while the H zone disappear.