fill in the blank 4 points
humans use a synthetic chemical process to convert n₂ gas into no₃ and no₂.
type your answer...
plant matter in the soil is fossilized, becoming underground coal.
type your answer...
minerals in rocks are dissolved by flowing water or rain.
type your answer...
a plant absorbs ammonia, nitrates, or phosphates through its roots.
type your answer...
carbon dioxide in the atmosphere dissolves in ocean water as a result of winds and waves.
type your answer...
water percolates through the soil.
type your answer...

Question

Accepted Answer

### 1. Humans use a synthetic chemical process to convert $\boldsymbol{\ce{N2}}$ gas into $\boldsymbol{\ce{NO3^-}}$ and $\boldsymbol{\ce{NO2^-}}$.
# Brief Explanations:
This process is called **industrial nitrogen fixation** (specifically the Haber - Bosch process for ammonia production, and subsequent oxidation for nitrates/nitrites). Humans artificially convert atmospheric nitrogen ($\ce{N2}$) into reactive nitrogen compounds like nitrates and nitrites, which is industrial nitrogen fixation.
# Answer:
Industrial Nitrogen Fixation

### 2. Plant matter in the soil is fossilized, becoming underground coal.
# Brief Explanations:
The process of plant matter being buried, subjected to heat and pressure over long periods, and transforming into coal is part of the **carbon cycle** (specifically the long - term carbon cycle involving fossil fuel formation). It's also related to the process of **fossilization** of organic matter, but in the context of biogeochemical cycles, it's a key part of the carbon cycle.
# Answer:
Carbon Cycle (Fossil Fuel Formation)

### 3. Minerals in rocks are dissolved by flowing water or rain.
# Brief Explanations:
This process is **weathering** (specifically chemical weathering, as water dissolves mineral components of rocks). Chemical weathering involves the breakdown of rocks through chemical reactions, and dissolution by water is a major chemical weathering process.
# Answer:
Chemical Weathering (Dissolution)

### 4. A plant absorbs ammonia, nitrates, or phosphates through its roots.
# Brief Explanations:
Plants taking up essential nutrients like nitrogen (in ammonia, nitrates) and phosphorus (in phosphates) from the soil is part of **nutrient uptake** in the context of the nitrogen and phosphorus cycles. Specifically, for nitrogen, it's part of the **nitrogen cycle** (plant assimilation of nitrogen compounds), and for phosphorus, part of the **phosphorus cycle** (plant assimilation of phosphorus compounds).
# Answer:
Nutrient Assimilation (Nitrogen/Phosphorus Uptake)

### 5. Carbon dioxide in the atmosphere dissolves in ocean water as a result of winds and waves.
# Brief Explanations:
The process of $\ce{CO2}$ from the atmosphere dissolving into the ocean is a key part of the **carbon cycle** (oceanic carbon uptake). Winds and waves facilitate the exchange of gases between the atmosphere and the ocean, leading to the dissolution of $\ce{CO2}$ in ocean water.
# Answer:
Oceanic Carbon Uptake (Carbon Cycle)

### 6. Water percolates through the soil.
# Brief Explanations:
The movement of water through the soil is part of the **water cycle** (specifically infiltration or percolation). Infiltration is the process by which water on the ground surface enters the soil, and percolation is the movement of water through the soil layers.
# Answer:
Infiltration (Water Cycle)

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Question

Explanation:

1. Humans use a synthetic chemical process to convert $\boldsymbol{\ce{N2}}$ gas into $\boldsymbol{\ce{NO3^-}}$ and $\boldsymbol{\ce{NO2^-}}$.

Answer:

2. Plant matter in the soil is fossilized, becoming underground coal.