Hello all

i am very tensed about science boards class 10

I got set 2
31/5/2

the paper was tough I coundnt do well

I am fearing that I will fail
but I wrote all answers but some are not to the point

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