Answer:
Risk factors include: Advancing maternal age. A woman's chances of giving birth to a child with Down syndrome increase with age because older eggs have a greater risk of improper chromosome division. A woman's risk of conceiving a child with Down syndrome increases after 35 years of age.
Answer:
Shadows are longest in the early morning and late afternoon/early evening when the sun appears low in the sky. As the Earth rotates on its axis, the sun hits each location in the morning at an angle. ... As Earth continues to spin toward sunset, the increasing angle causes shadows to lengthen!
Explanation:
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Answer:
Sound energy
Explanation:sound is a form of mechanical energy produced and transmitted by vibrating matter.
Choice A:
A male inherits only one of the two X-linked genes controlling hair color.
Answer:
- force people to flee their homes
- cause massive earthquakes
- pollute the air with volcanic smoke
- make airplanes fly around ash clouds
Explanation:
The volcanoes can be seen as both creative and disruptive force. The disruptive side of the volcanoes includes numerous things. Because of the big pressure that the volcanoes make on the crust, it is very common that they create earthquakes, some being very strong. They release enormous amounts of gases, ash, and pyroclastic material, resulting in pollution of the air. The gases and ash can stay in the atmosphere for longer period of time, as well as travel over long distance, making the airplanes change their routes and go around them, or stop their flights until the air clears out. The volcanic eruptions themselves are very dangerous for the people, be it calm with lava flows, or with explosive eruptions, the people a forced to flee their homes and leave everything behind in order to save their lives.