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Marat540 [252]
3 years ago
15

which sphere includes all the plants and animals on earth?? A. Lithosphere B.Type of soil C.Biosphere D.Asthenosphere

Chemistry
2 answers:
ivolga24 [154]3 years ago
8 0

Answer:

Biosphere

Explanation:

It is  B i think

lilavasa [31]3 years ago
5 0
C. Biosphere.

Biosphere, relatively thin life-supporting stratum of Earth's surface, extending from a few kilometres into the atmosphere to the deep-sea vents of the ocean.

The biosphere is a global ecosystem composed of living organisms (biota) and the abiotic (nonliving) factors from which they derive energy and nutrients.
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Helpppp plzzzzzz it's due Monday :(
Murrr4er [49]

Answer:  but thx for the points

Explanation:

8 0
3 years ago
The solubility of copper(i) chloride is 3.91 mg per 100.0 ml of solution. calculate ksp for cucl (cucl=99.00 g mol-1).
garri49 [273]
Convert  Mg  to  grams
1g =1000mg  what  about  3.91  Mg
=  3.91mg  x  1g/1000mg=  3.91  x10^-3 g
moles= mass/molar mass
that  is  3.91  x10^-3g  /99 g/mol=3.95 x10^-5moles
concentration=   moles  /  vol   in  liters

that  is  3.95  x10^-5/100  x1000=  3.94  x10^-4M

equation for  dissociation  of  CUCl=   CUCl---->  CU^+   +Cl^-

Ksp=(CU+)(CI-)
that  is  (3.95  x10^-4)(3.95  x10^-4)
Ksp=  1.56  x10^-7
3 0
3 years ago
Read 2 more answers
A certain liquid has a density of 2.67 g/ cm3. what is the volume occupied by 1340 g of this liquid?
morpeh [17]
Hey there!

density = 2.67 g/cm³

mass = 1340 g

volume = ?

Therefore:

D = m / V

2.67 = 1340 / V

V = 1340 / 2.67

V = 501.87 cm³
7 0
3 years ago
The turnover number is defined as the maximum number of substrate molecules that can be converted into product molecules per uni
hjlf

Answer:

Turnover number = 113182s⁻¹

Explanation:

Turnover number is a concept used to know the activity of an enzyme. The higher turnover number, the higher activity of the enzime.

Turnover number is defined as:

Turnover number = Rmax / [E]t

As Rmax is  249 μmol⋅L⁻¹⋅s⁻¹ and [E]t is 2.20 nmol⋅L⁻¹

As 1μmol = 1000nmol, Rmax = 249000 nmol⋅L⁻¹⋅s⁻¹. Replacing:

Turnover number = 249000 nmol⋅L⁻¹⋅s⁻¹ / 2.20 nmol⋅L⁻¹

<h3>Turnover number = 113182s⁻¹</h3>
8 0
4 years ago
Which statements describe a closed circuit? Check all that apply.
ehidna [41]

Answer:

The answers are options A, D and E

Explanation:

Shut circuit implies a total electrical association around which flow streams or courses. When you have a progression of electrical wires interfacing with one another and finishing a circuit so flow goes from one end of the hover to alternate, this is a case of a shut circuit. A broken wire or an "open" (off) switch both leave holes in a circuit keeping electrons from going from one side of the power source to the next. In this way, electrons won't stream. This circumstance is called an open circuit. A shut (on) switch implies that the circuit through the switch is connected.The meaning of an open circuit is a broken way for an electrical flow because of an open switch or frayed wire. A case of an open circuit is a string of electric lights that don't work on the off chance that one globule goes out. YourDictionary definition and utilization precedent. Shut circuit implies an entire electrical association around which flow streams or circles. When you have a progression of electrical wires associating with one another and finishing a circuit so flow goes from one end of the hover to alternate, this is a case of a shut circuit.

7 0
4 years ago
Read 2 more answers
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