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Express the following numbers in scientific notation: a) 28,000,000 b) 0.0002010 c) 18.54 x 10^2 d) 0.8160 x 10^-3 - Answer a) 2.8 x 10^7 b) 2.010 x 10^-4 c) 1.854 x 10^3 d) 8.160 x 10^-2 When you multiply 10E4 x 10E5, you __________ the exponents. - Answer add When you divide 10E6 / 10E2, you ________________ the exponents. - Answer subtract When you have (10E4)^5, you _______________ the exponents. - Answer multiply How many sig figs are there: a) ...

Accuracy - Answer A description of how close a measurement is to the true value of the quantity measured. Precision - Answer a measure of how close a series of measurements are to one another sig figs for addition and subtraction - Answer the result has the same number of decimal places as the measurement with the fewest decimal places sig figs for multiplication and division - Answer the result has the same number of sig figs as the term with the least number of...

Find density given unknown concentration graphy y=mx+b - Answer y is density and x is mass % so sub value of y to find x % water= mass water lost/ mass hydrate times 100 - Answer Molarity - Answer moles/volume in L Lowest energy color - Answer red Smallest electronic transitions - Answer lowest atomic # how to take a proper measurement - - Answer record the measured value plus one estimated digit finding moles - - Answer (total grams) ...

Periodic Law - Answer When the elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties Para magnetism - Answer Unpaired electrons; attracted to a magnetic field Diamagnetism - Answer No unpaired electrons; repelled by a magnetic field Effective Nuclear Charge - Answer Zeff= Z (atomic number)-S (core electrons) Bonding Atomic Radius - Answer One-half of the distance between coval...

(1) Which of the following statements about subatomic particles is TRUE? A) Protons have about the same mass as electrons. B) Neutrons and electrons are found in the nucleus of an atom. C) Protons and neutrons have opposite, but equal in magnitude, charges. D) A neutral atom contains the same number of protons and electrons. E) Electrons make up most of the mass of an atom. - Answer D) A neutral atom contains the same number of protons and electrons. (2) Identify the descrip...

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Where were cats most likely domesticated? - Answer Egypt Where were dogs most likely domesticated? - Answer No exact location What is the progenitor species of the domestic dog? - Answer Wolf During ancient times, dog breeds were valued for their ______________. - Answer Abilities/skills What is the progenitor species of the domestic cat? - Answer African Wildcat Which theory of domestication is best applied to cats? - Answer Self-domestication ...

Progenitor species of the domestic dog? - Answer Wolf In general, during ancient times, dog breeds were valued for their - Answer abilities/skills Most widely accepted reason for the earliest domestication of dogs? - Answer Wolves were attracted to garbage around human settlements. Etc... When were dogs domesticated? - Answer >10,000 years ago What is the human-mediated theory of domestication? - Answer Humans intentionally selected increasingly tame ...

Fish class - Answer Bony What are fishes heat - Answer Ectothermic (relies fully on environment to survive) What do scales do fish - Answer Like armor, like skin and can regrow What protects a fishes gills - Answer operculum What is the lateral line - Answer How they sense the environment Pectoral fins - Answer Think of pecs on our body, balance steering. First fin on stomach Pelvic fin - Answer Think of where pelvis is, second fin on s...

The increased prevalence of genetic disorders among pure bred dogs and cats is due to what? - Answer Inbreeding What are the morphological variations seen among cat breeds attributed to? - Answer Selective breeding Dogs were originally bred for _______________ and more recently for their _______________ . - Answer Function, Form Introduction of new coat colors in the domestic dog were initially brought about by selective breeding by humans. - Answer False Dome...

_______________ is the process by which an animal develops species-specific social behavior and primary social relationships. - Answer Socialization During what period do social behaviors (e.g., play fighting) begin to develop? - Answer Transition Neonates are unable to regulate their own internal body temperature during the first few weeks of life - Answer True What is the best way to warm a chilled puppy? - Answer slowly, with one's body het It is recomme...

During slow freezing of a dairy confection product the temperature declines to about 28 F then increases slightly and remains mostly unchanged for about one hour before declining further. What is taking place in the product during the latent period when the temperature remains unchanged? - Answer ice crystal formation A fresh beef roast is packaged and place in a conventional home freezer for freezing. The freezing process for this roast would be best characterized as ____. - Answer ...

why does the food industry need grades? - Answer - grades assigned by an independent 3rd party - grades facilitate communication of value - seller and buyer far apart - lack trust between each other - official grades facilitate consumer sales *Voluntary paid by the processor *Assigned by official or supervision of gov official commonly used value description - Answer USDA - Prime , Choice , Select , Grade A commonly used value description - Answer USDA - Certif...

Puppy mills are characterized by - Answer all of these Puppies and kittens can safely be separated from their mother as early as 4 weeks of age. - Answer False How many puppy mill puppies are sold annually? - Answer 2 million You can find the following type of animal in shelters: - Answer all of these A good shelter: - Answer offer you assistance after you take your pet home Total dogs should look and perform equally well according to the UKC - Answer...

In the US today animal product production for human food represents only a small part of the total economy - Answer True Which of the following is true concerning lipid oxidation in animal products? - Answer Lipid oxidation often leads to protein oxidation Which of the following best explains the nature of the animal products industry in Pennsylvania? - Answer Farm sales of livestock and poultry represent just over 1% of the gross domestic product of Pennsylvania. Whic...

PA GDP - Answer $715 Billion Food Sector in PA - Answer $112 Billion Livestock and Poultry sector in PA - Answer $7.22 Billion Milk sector in PA - Answer $1.52 billion Livestock, Poultry and Milk represent what percent of PA GDP - Answer 1.2% Egg sector in PA - Answer $400 million Animal Products Produced in Pa - Answer Milk (cow) - 26.6% Cattle and calves - 9.7% Eggs - 7% Broilers - 6.7% Hogs - 5% Beginning Consumption of Animal...

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Fire alarm device - Answer any device capable, through audible or visible means, of warning that a fire or combustion or is occurring. Fire alarm planning superintendent - Answer means a licensed individual designated by a registered firm to: A) plan a fire alarm or detection system that conforms to applicable adopted NFPA standards or other adopted standards. B) certify that each fire alarm or detection system as planned meets the standards as provided by the law. A fire ala...

24 hours - Answer All fire alarm systems and supervising stations require _____________ hours of standby power? 5 minutes - Answer Commercial fire alarm (premises, remote, central, proprietary, auxiliary) require __________ minutes of alarm power? 4 minutes - Answer Household fire alarm systems require __________ minutes of alarm power? 20% - Answer Battery calculations require _________% of additional safety margin? 10 seconds - Answer Secondary power s...

What is the height of the manual fire alarm boxes shall be a minimum of and a maximum of Inches, measure vertically from the floor level to the activation handle or leveler of the box. - Answer 42 inches to 48 inches 2014 B.C 970.4.2.2 What color is the fire alarm boxes shall be In color? - Answer Red 2014 BC 907.4.2.3 What size is raceways when it installed shall be minimum Trade size. - Answer 3/4" EC 2011 760.24 All supports bolts, straps, fitting or other enclos...