11Answer:
Answer: A
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Explanation:
The cowbird is a natural enemy to the sparrow. It is sort of a disease to the a disease to the sparrow. That being so, when the disease goes away, the sparrow bird population should go up. Fewer deaths due to the cowbird, means more sparrows around.
A
A boiling pot of water (the water travels in a current throughout the pot), a hot air balloon (hot air rises, making the balloon rise) , and cup of a steaming, hot liquid (hot air rises, creating steam) are all situations where convection occurs.
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Answer:
He should only uses credit cards for important purchases.
Explanation:
If José has a monthly budget for something in particular, he should use it to pay cash. The credit card should be used for important purchases.
Answer:
Explanation:
ASSUMING the 52° is the angle of incidence measured from the perpendicular to the surface
n₁sinθ₁ = n₂sinθ₂
1 sin52 = 1.33sinθ₂
θ₂ = arcsin(sin52 / 1.33)
θ₂ = 36°
as measured from the perpendicular to the surface