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Damm [24]
2 years ago
7

What is the main characteristics that makes a biome a desert?

Chemistry
1 answer:
lawyer [7]2 years ago
3 0
- less than 50 centimeters of rainfall per year
- coarse-textured soils
- temperatures that change drastically between the day and night time
- high evaporation rates
- drought resistant vegetation
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Does anyone understand this?
Nikolay [14]
From start:

Joule, J, calorie, 

Example 1: 120 J / 4.184 = 28.68 cal
Example 2: 1200 cal * 4.184 = 5020.8 J
7 0
4 years ago
In which block of the periodic table is chromium (Cr) found?
Crank
It’s found in the d-block
7 0
4 years ago
Which of the following provides the best description of the function of genes?
Schach [20]

Answer:

D. Controlling the production of specific proteins.

Explanation:

Genetic material is the main thing that inherited from parents to their offsprings. Gene encodes proteins that will be expressed(produced) when it needed. The protein can be used to build the cell organ, enzyme enzyme that digest food, hormones, and many other things. By inheriting the gene, the offspring will have a similar traits to the parent. The trait can differ a lot for sexual reproduction since only half of each parent gene inherited to the offspring.

5 0
4 years ago
What is light tell definition ​
swat32

Answer:

1..the natural agent that stimulates sight and makes things visible.

2.an expression in someone's eyes indicating a particular emotion or mood.

"a shrewd light entered his eyes"

8 0
3 years ago
Read 2 more answers
When solid calcium carbonate is heated, it decomposes according to the reaction: CaCO3(s) ⇄ CaO(s) + CO2(g) Kp = 0.50 A sample o
blagie [28]

Explanation:

Relation between K_{p} and K_{c} is as follows.

            K_{p} = K_{c} [RT]^{\Delta n}

Given,   temperature = 830^{o}C = (830 + 273) K = 1103 K

            R = 8.314 J/mol K

       \Delta n = 1 - 0 = 1

Now, putting the given values into the above formula as follows.

              K_{p} = K_{c} [RT]^{\Delta n}

                 0.5 = K_{c} \times (8.314 \times 1103)^{1}

                     K_{c} = 5.452 \times 10^{-3}

ICE table for the given reaction will be as follows.

                  CaCO_{3}(s) \rightleftharpoons CaO(s) + CO_{2}(g)

Initial:           c                        -          -  

Equilibrium:  (c - x)               x         x

       K_{c} = [CO_{2}]

          5.452 \times 10^{-3} = x

Hence, same amount of CaO is produced.

Moles of CaO = 5.452 \times 10^{-3}

    Mass of CaO = 5.452 \times 10^{-3} \times 57 g/mol

                          = 0.310 g

Thus, we can conclude that 0.310 g of CaO produced when equilibrium is established.

8 0
3 years ago
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