The answer is A, when the model was on the edge of Dr. Henderson’s desk.
Answer:
Heterozygous dominant
Explanation:
This means that the genotype has both alleles of the gene hence referred to as heterozygous. The dominant of the two alleles is the one that is expressed in the phenotype of the individual expressing the genotype. The effects of the recessive allele are masked by the dominant allele.
Answer:
Increased fossil fuel use has increased atmospheric carbon dioxide.
Explanation:
Burning fossil fuels increases the amount of CO₂ in air, which is unhealthy.
Answer:
Nitrogen is found in soils and plants, in the water we drink, and in the air we breathe. It is also essential to life: a key building block of DNA, which determines our genetics, is essential to plant growth, and therefore necessary for the food we grow.
Explanation:
<h2>Marke me a brainlist</h2>