Qualitative observation. Which is data or information with your senses such as sight, taste, smell, and touch.
D Microscopes
because they use them for DNA
a,b,and c, all you an item that can be used and not tested with.
Particles in a gas have more energy than particles in a liquid. Because in gaseous state particles are free to move around due to which kinetic energy of molecule or gas increases and hence overall energy increases
The answer is c because thats the number when combined with a metal. +1 is when its combined with a nonmetal.
