A segment of DNA has undergone a mutation in which one nucleotide has been changed. The original
sequence was ACG and the new sequence is ACA. Use
the codon table to determine whether or not this
mutation will cause a change in the phenotype of the
organism.

i don't know. if i were you, i would search it up online : d

answer: ice crystals in air

the water from the water body or another source of water gets evaporated as water vapor as an effect of heat on water. these water vapor rises in the upper layers of the earth atmosphere under high atmospheric pressure. the atmospheric pressure of these water molecules starts to decrease due to the effect of cold air. the invisible water vapor condenses into visible water droplets and ice crystals.these ice crystals and water droplets being less denser than the surrounding air floats on air as clouds.

1)

i))the process of preparing food by green plants in the presence of sunlight is called photosynthesis.

ii) leaf is the site for photosynthesis.

iii) it takes place as,

6h2o+6co2=c6h12o6+602