Examine the followingbgraph it shows pattren of poplution growth in canda over the last 150 years

Md Ariful Islam

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With an annual rate of natural increase around 1 per cent since 1971, Canada is characteristic of an industrial, urban population that has experienced the demographic transition from high to low levels of fertility and mortality. Historically, natural increase accounted for about two-thirds of population growth.

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Different radioisotopes have different half-lives. For example, the half-life of carbon-14 is 5,700 years, the half-life of uranium- 235 is 704 million years, the half-life of potassium- 40 is 1.3 billion years, and the half-life of rubidium-87 is 49 billion years. a. Why wouldn't you use an isotope with a half-life similar to that of carbon-14 to determine the age of the Solar System? b. The age of the universe is approximately 14 billion years. Does that mean that no rubidium- 87 has decayed yet?

a. You wouldn't use an isotope with a half-life similar to that of carbon-14 to determine the age of the Solar System because the timescale involved in the formation of...

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during lag-phase of a bacterial growth the organism is? a)growing at maximum rate b)declining in growth c)adapting to new environment d)growing at minimum rate

c)adapting to new environment.

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if the grwoth rate of a population of 1500 is 15%, what is the population growth after one year? a) 15 b)150 c)225 d)1725

G = 1500 x 0.15 = 225Answer: c)225

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1. What do you understand by growth monitoring outline the steps of growth monitoring. 2. Describe the clinical features of Vitamin A deficiency.

Question 1Growth monitoring is the routine measurement of a baby's size (mass, height or length and head surface area) in order to validate development. After then, the baby's metrics must...

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A growth curve that has zig zag shape reprents what growth?

It represents unusual growth pattern. The normal growth curve is sigmoidal( S - Shaped). This is where the population of an organism rises steadily initially, then rapidly as in exponential...

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Why have humans evolved to be taller over the last three hundred years?

The most likely cause is improved nutrition and health. While this subject of study is too complex for scientists to currently draw definite conclusions, the most reasonable explanation is that the...

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In children, adult hemoglobin - HbA completely replaces fetal hemoglobin - HbF at age? 1) 1 year old 2) 2 years old 3) 3 years old 4) 5 years old

1) 1 year old

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If liquid carbon disulfide reacts with 450 mL of oxygen to produce to gases carbon dioxide and sulfur dioxide, what volume of each product is produced? a. 20 mL b. 150 mL c. 0.150 L d. 450 L

150 mL

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In the reaction, 150. g of ammonia (NH<sub>3</sub>) were reacted with 150. g of oxygen (O<sub>2</sub>) to produce nitrogen monoxide (NO). How much nitrogen monoxide would be produced?

Mass of Nitrogen monoxide =73.5g

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An isotope of caesium (caesium-137) has a half-life of 30 years. If 1.0 g of caesium-137 disintegrates over a period of 90 years, how many g of caesium- 137 would remain?

First, let's find out which amount of isotope is left after 90 years. Let M be the initial amount, then amount left after n years, given that half-life is T,...

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