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kipiarov [429]
3 years ago
14

The atomic number of krypton is 36. If the mass number of a krypton atom is 84, which table shows the number of subatomic partic

les inside and outside the nucleus of the krypton atom?
Biology
1 answer:
elena-s [515]3 years ago
6 0

Answer:

A

Explanation:

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Describe how carbon skeletons may vary, and explain how this variation contributes to the diversity and complexity of organic mo
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Carbon skeletons may vary in length, shape, number and location of double bonds and other elements covalently bonded to available sites.

A carbon atom contains four valence electrons thus, exhibiting a strong tendency to make covalent bonds with other atoms so as to complete its octet. Covalent bonds join carbon atoms together in long chains that create the skeletal framework for organic molecules.

A carbon atom could be linked to as many as four additional carbon atoms in an organic compound. Carbon atoms can also quickly form double bonds (where four electrons are shared among two atoms) and triple bonds (where six electrons are shared).

This variation in carbon skeletons contributes to the diversity and complexity of organic molecules.

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2 years ago
_______ observation is made using one or more of the five senses. An independent variable is a variable that’s _______ changed i
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1)qualitative

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3)Theory

4)independent

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An inference is an assumption and an observation is data you collected

6 0
3 years ago
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Use the Harris-Benedict equation to estimate your calorie needs. Show your calculations to explain how you arrived at your answe
Ratling [72]

Answer:

The Harris Benedict Equation is a formula that determines the total daily energy expenditure (calories) using BMR with some activity factors.

Basal Metabolic Rate (BMR) is defined as the amount of calories one would burn without doing anything for 24 hours. It uses variables of weight, age, height and gender to calculate BMR.

<em>BMR calculation =  447.593 + (9.247 x weight in kg) + (3.098 x height in cm) - (4.330 x age in years)</em>

<em>In</em><em> </em><em>Harris Benedict Equation, </em><u><em>BMR</em></u><em> is </em><u><em>multiplied</em></u><em> by </em><u><em>activity factor </em></u><em>to determine calories need.</em>

The activity factors in Harris Benedict Equation are:

for no exercise =  1.2

exercise for 1 to 3 days/week or light exercise =  1.375

exercise for 3-5 days/week or moderate exercise  = 1.55

exercise for 6-7 days a week or hard exercise = 1.725

exercise for 2 times training = 1.9

<u>So, calculation for my calorie needs is as following:</u>

BMR = 447.593 + (9.247 x 50 kg) + (3.098 x 164.592 cm) - (4.330 x 23 in years) = 974.945

Calorie needs = BMR x 1.55

                        = 974.945 x 1.55

                        = 1511.16 calories

6 0
4 years ago
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A government agency collects health data of everyone living along the coast of the Gulf of Mexico. The rate of illness among the
Sholpan [36]

Answer:Geographical cohort study

Explanation:

4 0
3 years ago
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What physical health risks are directly associated with urban sprawl?​
spin [16.1K]

Answer:

The risks of various pollution and infections increase with urban sprawl.

Urban sprawl can be described as a condition in which the people from urban area migrate to low residential areas due to which the city starts to expand more in size.

During urban sprawl, more water contamination is likely to be caused as the water available cannot support such a large number of migration. There is not proper sewage system due to which contamination arise and cause sickness in the people. Also, these areas have more pollution due to traffic jam situations which causes sickness.

3 0
3 years ago
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