Answer:
B.this population has different traits for color some are brown some are black some are gray and some are white
Answer:
cardiovascular
Explanation:
Since there is no option of endocrine system, I would say cardiovascular because it involves the bloodstream
Answer:
A. Earth's tilt on its axis
Explanation:
Because of the earth's tilt, during part of the year the NE US is angled towards the sun, but the other part of the year it is angled away from the sun. This is what gives us our seasons.
Answer:
Causes:Aedes Mosquito bites
Effect:The incubation period (the time from exposure to symptoms) of Zika virus disease is estimated to be 3–14 days. The majority of people infected with Zika virus do not develop symptoms. Symptoms are generally mild including fever, rash, conjunctivitis, muscle and joint pain, malaise, and headache, and usually last for 2–7 days.
