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hram777 [196]
2 years ago
9

8. If a lawn is fertilized and it doesn't rain, the grass often dies. Why?

Biology
1 answer:
Marat540 [252]2 years ago
6 0

Answer:

If you took vitamins only and drink water, what would happen? You would die. Your body and the grass needs water to survive. Water is the most basic need other than oxygen, or carbon dioxide in the case of plants. The other problem is if you add fertilizer to a plant, it needs water to transfer it to its cells. Without this delivery device, the fertilizer is useless and can actually harm the plant instead of helping it.

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2 years ago
Which, if any, of the main effects (type of tuna and type of packing liquid) contribute significant information for the predicti
wariber [46]

The regression equation is:

y = 1.15 – 0.251 x₁ + 0.078 x₂ + 0.306 x₁x₂

<span> <span> <span> Where,
x₁ = -0.2508
x₂ = 0.0777
x₁x₂ = 0.3058

Inserting the values,
<span><span></span></span>y = 1.15 – {0.251 × (-0.2508)} + {0.078 ×(0.0777)} + {0.306 × (0.3058)}
</span></span></span>
y = 1.15 - (- 0.0629508) + 0.0060606 + 0.935748

y = 1.15 + 0.0629508 + 0.0060606 + 0.935748

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Answer:

x₁ and x₂ are main effects (a type of tuna and type of packing liquid) that contribute significant information for the prediction of <span>y.</span>
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