Question

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Answer 1

Answer:

1- unequal

2-nitrogen dioxide and nitric acid

3- zygote

4- O2

Answer 2

Answer:

1. Plants absorb water from the ground up through their roots. During photosynthesis, the energy from the sun splits the water molecules into hydrogen and oxygen. Plants get all the carbon, hydrogen, and oxygen they need from carbon dioxide and water, which they use to build carbohydrates during photosynthesis

2. amonia and acid rain

3. Phosphorus

4. Micro- or trace nutrients are required in tiny amounts compared to primary or secondary nutrients. Micronutrients are boron, chlorine, copper, iron, manganese, molybdenum, and zinc.

Explanation:

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