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Rom4ik [11]
2 years ago
12

Learning Task 1: Choose the correct answer. Write your answers on your

Chemistry
2 answers:
dybincka [34]2 years ago
7 0

panjang banget gua kaga ngerti

andrey2020 [161]2 years ago
6 0

Answer:

Answer 1- option c they have light and hollow bones

Answer2-ascaris

Answer 3-¿????

Answer 4th

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08 03 M
kvv77 [185]

Answer:

The star is a special star

Explanation:

it is a binary star it is dominated by a luminous main sequence of star! it has a magnitude of -1.46. Sirius A's apparent bright ness can be attributed both to its inherited luminosity! 20 times that of thr sun anf its proximity. At just 8.7 Light years away sirius is the seventh closest star to earth.

5 0
2 years ago
True or False:
lesya [120]

Answer:

False

Explanation:

  • Mendeleev was the first scientist to arrange the element in such a periodic order but there was a mistake that he arranged in increasing order of mass.
  • Today we use the periodic table given by Henry Mosley where atomic no is first priority
6 0
2 years ago
Is density defined as the volume in a given mass orthe mass in a given volume?​
wariber [46]

Answer:

mass in a given volume

Explanation:

Density is the mass in a given volume or mass per unit volume of a substance.

Mass is defined by the amount of matter present in a substance.

Volume is the space occupied by a body.

  • Density is the mass divided by the volume

Mathematically;

                      Density  = \frac{mass}{volume}  

 

3 0
2 years ago
What does unsaturated zone mean?
Nadya [2.5K]
The unsaturated zone is the portion of the subsurface above the groundwater table. The soil and rock in this zone contains air as well as water in its pores. ... Unlike the aquifers of the saturated zone below, the unsaturated zone is not a source of readily available water for human consumption
6 0
3 years ago
Read 2 more answers
If the [H+] = 0.01 M, what is the pH of the solution, and is the solution a strong acid, weak acid, strong base, or weak base?
lana66690 [7]

Answer:

2, strong acid

Explanation:

Data obtained from the question. This includes:

[H+] = 0.01 M

pH =?

pH of a solution can be obtained by using the following formula:

pH = –Log [H+]

pH = –Log 0.01

pH = 2

The pH of a solution ranging between 0 and 6 is declared to be an acid solution. The smaller the pH value, the stronger the acid.

Since the pH of the above solution is 2, it means the solution is a strong acid.

5 0
3 years ago
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