Estrogen, the metal Mercury tricks your body into thinking it is the chemical Estrogen
*I'm not really sure of this answer*
The answer is c
Because homeostasis is the state of steady internal, physical, and chemical conditions
It is in standard notation
in scientific notation it would be is 5.4 x 10^6
Advantages of using solar energy are pollution-free, noise-free, on installation it produces free energy, clean and renewable. Disadvantages include high cost, energy dependent on sunlight exposure, power stations are expensive to build and devices powered by solar energy cannot be used at night