I think B is the answer The Clean Air Act That prevented air pollution and protected the ozone layer as well as promote public health. This act gave Enviromen. Protection Agency the power to take effective action fighting environmental air pollution
It is milk because milk has lactose
Answer:
Ecosystem engineers are species that modify their environment in a significant manner, creating new habitats or modifying existing ones to suit their needs.
Mendel's Law of Segregation states that every organism has two alleles per trait and that these alleles separate during meiosis, so each gamete gets one allele.