Geography College

Scientists are closely monitoring caribou populations to examine the effect of global climate change on habitat. The maximum population size for a herd of caribou based on the amount of habitat was 500,000 . A herd of caribou currently has a population size of 198,000 caribou as a result of habitat loss. Which of the following methods should be used to determine the percent change between the maximum population and the current population for this herd of caribou?

a. (500,000 caribou + 198,000 caribou)/198,000 caribou x 100
b. (500,000 caribou - 198,000 caribou) /100
c. (198,000 caribou - 500,000 caribou)/500,000 caribou x 100
d. 198,000 caribou/500,000 caribou x 1,000

Answers

Answer 1

Answer:

c. (198,000 caribou - 500,000 caribou) / 500,000 caribou * 100

Explanation:

Scientists want to determine the percentage change between maximum population and current population of Caribou. The maximum population herd size is subtracted from the current population size. Then the maximum population size is divided by the numerator. Percentage is calculated by multiplying it with 100.

(198,000 caribou - 500,000 caribou) / 500,000 caribou * 100

= 60.4%

Related Questions

3. A mineral sample has a mass of 4.2 grams and a volume of 2 milliliters. What is the density of the mineral?
A. 2.1 g/mL
B. 22 g/mL
C. 6.2 g/mL
D. 8.4 g/mL

Answers

The density of the mineral is 2.1 g/mL

whats 3.818 Rounded to the nearest hundredth.

Answers

Answer:

3.82

Explanation:

Rounding off to the nearest hundredth follows some rules. Since it has a fractional part, you have to consider this part when rounding off. The hundredth place in 3.818 is 1. All you have to do is to check the number that comes after it. If it's greater than 5, you have to add 1 to the hundredth place (the number before it). Since the number after 1 is 8 and it is greater than 5, you have to add 1 to 1 (hundredths place) and remove the thousandths value.  

Rounded to the nearest hundredth, 3.818 would be 3.82. When rounding 3.818 to the nearest hundredth, we look at the digit in the thousandth place, which is 8.

There are guidelines for rounding off to the closest hundredth. It has a fractional portion, thus when rounding off, you must take this part into account. One is in position 100 of 3.818. You only need to verify the number that follows it.

If it is more than 5, you must add 1 to the preceding number in the hundredth place. Due to the fact that 8 comes after 1 and is bigger than 5, you must add 1 to 1 (in the hundredth position) and subtract the thousandth value.  

Learn more about hundredth here:

https://brainly.com/question/30528804

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What is the natural ecosystem / biome in the Arctic?

Answers

Answer:

Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy

Explanation:

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