How can a genetic mutation be harmful in one environment and helpful in another

u=13

v=30

s/t=u+1\2at

=13+431/2

=13+265.5

=278.5

as a general rule, scissors have blades less than 6 in (15 cm) long and usually have handles with finger holes of the same size. shears have blades scissors used to cut hair or fabric must be much sharper

pecialized keyboards

a sonic boom is a loud boom that breaks the sound barrier

explanation: