10g of a solid is in equilibrium with its own vapour, when 1g of a small amount of solid is added, the vapour pressure:
a) Remains the same b) drops
c) increases by 1%
d) increases by 99%​

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

Which scientist established the law of octaves?

If cos x =sin(20 + x) and 0 < x < 90, the value of x is > 3 , 35 , 350answer is 35, free 50 points