I believe that would be irritability.
Answer:
Solar flare
Explanation:
They are characterized by coronal mass ejections on the sun's surface. The ejected ionized particles if thrown in the direction of the earth will cause bright aurora as they colide with the earth’s ionosphere and magnetic field. These solar storms can also affect telecommunications satellites and also electricity grid systems.
The beginnings of a brain first become apparent around four weeks after conception when the neural plate folds to form the neural tube
Answer:
cancer results not from a single flawed gene, but rather the interplay of multiple genes and any accumulated damage to DNA caused by environmental factors such as exposure to chemicals, or aspects of lifestyle, such as smoking
Answer:
A. Mid-ocean ridge. I'm not sure if I'm right.