How is mercury different from every other metal on the periodic table? A. it's liquid at room temperature B. it doesn't conduct electricity C. it has no luster D. it is totally inelastic be my friend please

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.

The footprints of a dinosaur and the burrow of an ancient shrimp are examples of which kind of fossils

Ascientist conducted an experiment and discovered that certain plants grow faster when given a particular amount of fertilizer. anouther scientist conducted the same experiment and got similar results. which concept does this best illustrate? a) repetition b) replication c) precision d) validity