Answer:
<em>Nitrogen</em><em> </em><em>dioxide</em><em> </em><em>is </em><em>an </em><em>irritant </em><em>gas,</em><em> </em><em>which </em><em>at </em><em>high </em><em>concentration</em><em> </em><em>cause </em><em>inflammation </em><em>of </em><em>the </em><em>airways.</em><em> </em><em>.</em><em>.</em><em>.</em><em> </em><em>Nox </em><em>gases </em><em>react</em><em> </em><em>to </em><em>form </em><em>smog </em><em>and </em><em>acid </em><em>rain </em><em>as </em><em>well </em><em>as </em><em>being </em><em>central </em><em>to </em><em>the </em><em>formation</em><em> </em><em>of </em><em>fine </em><em>particles </em><em>and </em><em>ground</em><em> </em><em>level </em><em>ozone,</em><em> </em><em>both </em><em>of </em><em>which</em><em> </em><em>are</em><em> </em><em>associated</em><em> </em><em>with </em><em>adverse </em><em>health</em><em> </em><em>effects.</em>
Mutation is needed for evolution to occur to ensure that strong species will dwell within the environment. Though this has little effect on allele frequencies, mutations still ensure the biodiversity of species. The theory of natural selection in a way proves this.
Answer:
A. saturated fatty acids
Explanation:
Contain single corbon-corbon bond
While unsaturated contain one or more than one double bond in their structure.
Different cells have different functions. For example, muscles cells in your arm are different than cells in your skin or brain. This allows for more complex life forms because it allows an organism to do many different things within it
Answer:
c.
Explanation:
the only way to inherit sickle cell anemia is if both parents have one gene for sickle cell hemoglobin.(one sickle cell gene from mom and dad)