A tool used to measure weight

Is this a single replacement reaction or there is no

The variability in marine salinity between habitats does not impact the fish living there. select the best answer from the choices provided t f

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.