Answer:
D
Explanation:
Sickle cell disease is not contagious, so you can't catch it from someone else or pass it to another person like a cold or an infection. People with sickle cell disease have it because they inherited two sickle cell genes , one from each parent.
During a heavy thunderstorm, most likely, surface runoff would be in areas that has sloping landscape. Since at these times, these surfaces would be saturated with water causing for not absorbing water into the soil so it would slope down running off to streams. This is one of the reasons of having landslides.
It's D ;) because uhm it's just D okay
The answer to your question would be D
