Which of the following are true statements about the carbon cycle? Check all that apply. Check All That Apply Carbon and nitrogen fixation are both faciliated by microbes. Burning of gasoline is a contributor to the current imbalance in the carbon cycle. Replacing rainforest with farms decreases atmospheric CO2 levels. In water, inorganic carbon exists in two different forms, both of which can be used by autotrophs. Carbon cycles locally.

Which of the following are true statements about the carbon cycle? Check all that apply. Check All That Apply Carbon and nitrogen fixation are both faciliated by microbes. Burning of gasoline is a contributor to the current imbalance in the carbon cycle. Replacing rainforest with farms decreases atmospheric CO2 levels. In water, inorganic carbon exists in two different forms, both of which can be used by autotrophs. Carbon cycles locally.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter20: Ecosystems And The Biosphere

Section: Chapter Questions

Problem 1ACQ: Figure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification...

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Figure 20.12 Which of the following statements about the nitrogen cycle is false? a. Ammonification converts organic nitrogenous matter from living organisms into ammonium (NH4+) . b. Denitrification by bacteria converts nitrates (NO3) to nitrogen gas (N2) . c. Nitrification by bacteria converts nitrates (NO3) to nitrites (NO2) . d. Nitrogen fixing bacteria convert nitrogen gas (N2) into organic compounds.
Some greenhouse gases, such as fluorocarbons (CFCs, HFCs, PFCs, etc.), are human-made. Others, such as water, methane, and carbon dioxide, are naturally produced. Which type of greenhouse gas (human-made or natural) is more difficult to control and eliminate? Which types are easier? provide evidence for your argument.
Which of the following biogeochemical cycles include decomposition? can select more than one answer Group of answer choices Phosphorus Nitrogen Carbon
Label the simplified carbon cycle below.
A family travels from New York City to Costa Rica three times a year for a vacation. The family would like to purchase some forested land in the Catskills, keeping the trees intact as an offset to the carbon dioxide they produce travelling each year. How much forest must they purchase? Use the following assumptions to measure the carbon offset provided by this intact forest. • The biomass of the forest increases at an annual rate of 2.8 × 105 kg/ha. • The forest biomass is 45% carbon by mass. • There are four people in the family. • 0.2 kg of CO2 is produced each mile per person on the flight. • The round-trip distance is 4,500 miles. • There are 2.47 acres in one hectare. 1. Calculate the mass of carbon, in kilograms, that is accumulated and stored in 1.0 ha of this forest in one year. 2. Calculate the mass of carbon, in kilograms, that is emitted by the family as a result of their round-trip flights to Costa Rica each year. 3. Calculate the number of acres of forest that must be…
Which of the following best describes how using fertilizer would affect the nitrogen cycle? The use of fertilizer would result in more nitrogen in the groundwater. The use of fertilizer would result in less nitrogen in the soil. The use of fertilizer would result in more phosphorus in the soil. The use of fertilizer would result in more nitrogen being added to the carbon cycle.
Chapter 10 of your textbook describes four biogeochemical cycles (some of which might also be called nutrient cycles) which carry elements and compounds essential to life on earth: the oxygen cycle, the carbon cycle, the nitrogen cycle and the phosphorous cycle. Read the sections in the textbook and refer to the diagrams for each of the cycles.These cycles are constantly going on around us. Think about how we are involved in these cycles. What parts of the major biogeochemical cycles do we witness or experience in our daily lives? Give one example per post or response. Think about where the element or nutrient may have come from or where it may go next and whether the process may have been affected by humans and human activities.A simple example (using the hydrologic cycle, which we studied in Chapter 7): Yesterday I was at the beach and witnessed rain falling into the ocean. This is part of the hydrologic cycle. Most of the rainwater probably came from evaporation of water from the…
Which of the following policies would lead to a reduction in the carbon intensity term? a. updating existing infrastructure to have energy efficient appliances b. investing in technology that will require less energy c. investing in building cars that are more fuel efficient d. subsidizing large scale solar and wind farms
Why is carbon dioxide the focus of so much attention regarding climate change? What are the main sources of carbon dioxide in the atmosphere and what can we do to reduce the amount of carbon dioxide in the atmosphere? Bring into your discussion the carbon cycle, a discussion of Venus and Mercury, the evidence for human impact on carbon dioxide levels in the atmosphere and its impact on climate (refer to any graphs you need to), and ways in which scientists have recommended limiting climate change.
You should be familiar with the biogeochemical cycles: oxygen, nitrogen, carbon, phosphorus, water, etc. Be sure to know sources and sinks.
Carbon dioxide is a greenhouse gas. What is the definition for “greenhouse gas” ?
Label the steps that contribute to the carbon cycle.