which animal or plantlive in creek please list all of them and their names hurry i have to go please thanks
Answers
Reptiles and amphibians: California red-legged frog, special-status northwestern pond turtles, Pacific tree frogs, Foothill yellow-legged frogs, gopher and garter snake, alligator lizards and western fence lizards
Birds: California clapper rail and California black rail
Invertebrates: mayflies, caddisflies, stoneflies,water boatmen, water striders, water beetles, dragonflies, California oysters, native clams, red abalone, Dungeness crabs
Plants:sedges, rushes, pickleweed, cord grass, gum plant, eelgrass, and mosses
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A chemist measures 340 grams of sodium acetate. To convert this measurement to kilograms, the chemist should multiply 340 by _.a) 1 kg / 1 gb) 1000 g / 1 kgc) 1000 kg / 1000 gd) 1 kg / 1000 g
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C Cl
Formula ____________ Ionic or covalent
Mg Cl
Formula _____________
Answers
C Cl is a covalently bonded compound with the formula CCl₄. MgCl is an ionic compound with the formula MgCl₂.
What is meant by chemical bonding?
The formation of a chemical bond between two or more atoms, ions or molecules to form a chemicalcompound is known as chemical bonding. The chemical bonding makes sure the atoms are together in the resulting compound.
Chemical bonding is made possible by an attractive force resulting from the overall loss of energy in the resultant molecule compared to its constituents.
Chemical compounds depend on chemical bonding for their stability. There are various kinds of chemical bonds formed. Covalent bonds and ionic bonds are 2 of the most commonly known chemical bonds.
Covalentbonds are formed by the sharing of electrons and an ionicbond is formed by the electrostatic force of attraction between the atoms.
Therefore, in the given examples, C Cl is a covalently bonded compound with the formula CCl₄. MgCl is an ionic compound with the formula MgCl₂.
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The bond of the following atoms in C-Cl and Mg-Cl is polar covalent bond in C-Cl and Mg-Cl ionic bond.
What is polar covalent and ionic bond?
Polar covalent bonds are created between two non-metal atoms or molecules that do consist of different electronegativity. and the electronegativity difference that is not equal to zero and the shared pair of electrons forming a bond between will always be towards the high electronegative atom.
An ionic bond the complete sharing or the electron transfer. Ionic bonds basically form or created when the difference in the electronegativity of the two atoms is great or more as compare to covalent bonds form when the electronegativity is same.
Therefore, bond of the following atoms in C-Cl and Mg-Cl is polar covalent bond in C-Cl and Mg-Cl ionic bond.
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Answers
Answer:
$182 is the value of the gold in the coin
Explanation:
Diameter is 2r, the ratio of the coin is = 1.62cm / 2 = 0.81cm
Following the formula of the volume of the coin:
V = π r² h
V = π*(0.81cm)²*0.085cm
V = 0.172cm³ = mL
As the density of the gold is 19.32g/mL, the mass of 0.1752mL of gold is:
0.1752mL * (19.32g / mL) =
3.385g is the mass of the coin
As the price of the gold is $53.90 / g, the value of the gold in the coin is:
3.385g * ($53.90 / g) =
$182 is the value of the gold in the coin
Final answer:
To find the value of the gold in the coin, calculate its volume using the formula for the volume of a cylinder. The value of gold in the coin is $185.37.
Explanation:
To calculate the value of gold in the coin, we need to find its volume first using the formula for volume of a cylinder:
The radius (r) of the coin is half its diameter, so it is 0.81 cm. The height (h) is 0.085 cm. Plugging in these values, we can find the volume of the coin. Next, we calculate the mass of the gold in the coin using its density and the volume we just calculated. Finally, we multiply the mass by the price per gram of gold to find the value of the gold in the coin.
The volume of the coin is:
= 0.178 cm3.
The mass of the gold is:
m = density x volume
= 19.32 x 0.178
= 3.443 g.
The value of the gold in the coin is the value as -
= mass x price per gram
= 3.443 g x $53.90/g
= $185.37.
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B) erosion by wind and water
C) eruptions by explosive volcanoes
D) cracking of earths crust by earthquakes
Answers
b. climax
c. details
d. explanation
Answers
Answer:
The climax is not a part of a story
Explanation:
The structure of a story consists of three parts:
1.-The lead or the entrance. Main data of the news is presented.
2.-The body. Where it is explained how the events occurred.
3.-The closure. Complementary ideas are presented.
The news is a text whose function is to report a topic or fact. It is characterized by being topical and of public interest. It consists of three parts: input or lead, body and closure. The lead is the core of the news, the most important of the information, where a small summary of what the news will deal with is presented. The body expands the information that was anticipated in the lead by providing new data. And finally the closing, where the information of the news is complemented with some final ideas.
B-Models only present macroscopic versions of the submicroscopic.
C-Models help explain phenomena but are not good for predicting events.
D-Models are used throughout science although they are not always accurate.
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Answers
Answer:
CO2,H2S,HALON,FREON that's is the four toxicants that are heavier than air