Which phrases describe sedimentary rock?

Consider the four elements above. which one of these elements will combine with oxygen in a 1: 1 ratio?

Which scientists contributed to the determination of how cfcs in clouds in the upper atmosphere could destroy ozone molecules

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