Only one sound blocking material should tested at once and the sound will vary on how much and what kind of materail you use.
Answer:
a) Homozygous
Explanation:
An organism in which the two copies of the gene are identical is called homozygous in that gene. An organism with two different alleles of the genes is called heterozygous.
It really is between C.or D. I say it is D. because you need the <span>experimental subjects in the best condition possible to get the best results.</span>
They required supporting evidence which could not be provided with the existing technology!
Gravity is the force that gives weight to objects and causes them to fall to the ground when dropped. Two major factors, mass and distance, affect the strength of gravitational force on an object. Hope this helped !!
