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Soloha48 [4]
3 years ago
5

A salmon farm has seen its sales decrease by an average of 4 percent per year from a high of 15 million pounds in 2007. During t

he same period, it has increased its prices by an average of 6 percent per year from $1.50 per pound in 2007.
a. Determine how many pounds of salmon the farm sold in 2009. Then calculate the difference between dollars earned from sales in 2009 and dollars earned from sales in 2007. Round your figures to the nearest cent.

b. Calculate the minimum number of pounds of salmon the farm would need to sell at 2007 prices to match its 2009 earnings. Round your answer to the nearest pound.

c. Explain how government subsidies could help the farm become more profitable.
Using salmon as an example, explain the difference between bioaccumulation and biomagnification. Explain how aquaculture can reduce the risks posed by these phenomena to people who eat fish.

d. Identify and describe one environmental advantage and one economic advantage, other than those discussed in Part (c), of farming salmon rather than catching them in the wild.
Advanced Placement (AP)
1 answer:
Romashka-Z-Leto [24]3 years ago
4 0

I believe c is the answer hope this helps sorry if wrong.

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So US Government<br><br> Please help
Margarita [4]

The correct answers are given as follows:

<h3>Situation 2</h3>

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Article II, Section 1, Clause 5

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<h3>Situation 3</h3>

Constitutional

Article II, section 2

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<h3>Situation 4</h3>

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Article I, Section 8

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The United States Constitution states that an amendment may be proposed by a two-thirds vote of both Houses of Congress, or, if two-thirds of the States request one, by a convention called for that purpose.

Read more about constitutional powers here:

brainly.com/question/25822980

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2 years ago
What is dispersal and elevation ?​
Kobotan [32]
Little is known about how mutualistic interactions affect the distribution of species richness on broad geographic scales. Because mutualism positively affects the fitness of all species involved in the interaction, one hypothesis is that the richness of species involved should be positively correlated across their range, especially for obligate relationships. Alternatively, if mutualisms involve multiple mutualistic partners, the distribution of mutualists should not necessarily be related, and patterns in species distributions might be more strongly correlated with environmental factors. In this study, we compared the distributions of plants and vertebrate animals involved in seed‐dispersal mutualisms across the United States and Canada. We compiled geographic distributions of plants dispersed by frugivores and scatter‐hoarding animals, and compared their distribution of richness to the distribution in disperser richness. We found that the distribution of animal dispersers shows a negative relationship to the distribution of the plants that they disperse, and this is true whether the plants dispersed by frugivores or scatter‐hoarders are considered separately or combined. In fact, the mismatch in species richness between plants and the animals that disperse their seeds is dramatic, with plants species richness greatest in the in the eastern United States and the animal species richness greatest in the southwest United States. Environmental factors were corelated with the difference in the distribution of plants and their animal mutualists and likely are more important in the distribution of both plants and animals. This study is the first to describe the broad‐scale distribution of seed‐dispersing vertebrates and compare the distributions to the plants they disperse. With these data, we can now identify locations that warrant further study to understand the factors that influence the distribution of the plants and animals involved in these mutualisms.

Introduction
A central problem in ecology is to understand the patterns and processes shaping the distribution of species. There is a preponderance of studies of species richness at broad geographic scales (Hawkins et al. 2003, Rahbek et al. 2007, Stein et al. 2014, Rabosky and Hurlbert 2015) that has facilitated our understanding of why species are found where they are, a central tenet within the domain of ecology (Scheiner and Willig 2008). Most commonly, these studies find species distributions to be correlated with resource availability and use environmental variables (e.g. temperature and productivity; Rabosky and Hurlbert 2015) to explain putative determinants of the distributions. Environmental variables are only one determinant of species’ distributions. Another, species interaction, is a key and understudied determinant of species’ distributions (Cazelles et al. 2016). In fact, in some cases species interactions may be more important for determining distribution than environmental variables (Fleming 2005).

When species interact, we expect their geographic distributions to be correlated – either positively or negatively – depending on the effect (or sign of the interaction) of one species on the other (Case et al. 2005). For pairwise interactions, where one species benefits from another species, a positive relationship is expected between the distribution and abundance due to the increase in the average fitness of the benefitting species where they overlap (Svenning et al. 2014). Furthermore, most species interactions are not simply pairwise, but diffuse, consisting of multiple interacting species, here referred to as guilds (with guilds referring to species that use the same resource). It therefore follows that where one guild benefits from another guild, a positive relationship is expected between the distribution and richness of the guids. This should be true in the case of mutualisms, where both sides of the interaction share an increase in average fitness from being together (Bronstein 2015), and there is some evidence for correlated geographic distributions of mutualists in the New World (Fleming 2005). One example of a mutualism where both sides of the interaction have a fitness advantage in each other's presence is animal‐mediated seed dispersal. Because both interacting species and guilds in seed dispersal mutualism benefit from the relationship we would predict that the richness of animal‐dispersed plants ought to be correlated with the richness of their animal dispersers and vice versa. To our knowledge, this prediction has never been tested on a large geographic scale.
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"The Self" is the answer!!
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Answer:there could be a placebo effect that accounts for results

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What organization is the arbiter of names on US maps?
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That is The Board of Geographical Names. It was established in the late nineteenth century and is operated by the U.S. Geological Survey. They are the final arbiter of names on U.S. maps.
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