Answer:
d. all of these
Explanation:
because of course scientists needs
experiments, observation and as well
as object measurements while inventing
some new objects.
Homozygous! the prefix homo- means the same, while hetero- means different.
<span>Zookeepers
have a difficulty of keeping koala bears alive because Koala bears are
susceptible to viral infections. There is a virus that is present to Koalas
which is called the Koala retrovirus. Koala retrovirus makes a Koala bear more
susceptible to infections and even cancer. </span>
Line of symmetry to split the circle into a half.
Electronegativity.
If the difference in electronegativity for the atoms in a bond is greater than 0.4, we consider the bond polar. If the difference in electronegativity is less than 0.4, the bond is essentially nonpolar.
