The population size of panda
bears increases dramatically
The
population will decrease because

Non metal is an element or substance that is not a metal metal is a solid material that is typically hard, shiny, malleable, fusible, and ductile, with good electrical and thermal conductivitymetalloid is an element (e.g., germanium or silicon) whose properties are intermediate between those of metals and solid nonmetals. they are electrical semiconductors.

Adialysis unit requires 78.5 l of water.the estimated digit is 5. 

Heating it up with cause a quicker reaction time

D. h2o + h2o > h3o + oh- confirmed.