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MAXImum [283]
3 years ago
5

Why does liquid fall as drops?

Biology
2 answers:
vesna_86 [32]3 years ago
7 0

Liquid forms drops because the liquid exhibits surface tension. ... The surface tension of the liquid causes the liquid to hang from the tube, forming a pendant. When the drop exceeds a certain size it is no longer stable and detaches itself. The falling liquid is also a drop held together by surface tension.

Sav [38]3 years ago
3 0
Chases piqued to hang from a tube
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In how many ways can nine members of committee sit at the round table so that secretary and the joint secretary are always the n
MaRussiya [10]

Answer:

1440

Explanation:

Members except president, secretary and joint secretary = 9−3=6

Their arrangement = 6!

No. of arrangements of secretary and joint secretary at wto places

=2!=2

Total arrangement =2×6!

2 x 6! = 1440

7 0
2 years ago
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1.)Which of the following explains why genetic variation is necessary for evolution to occur in a population ?
postnew [5]
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3 0
3 years ago
The energy that enters or leaves a living system during cellular processes comes from:
Kay [80]
A. transforming matter into energy
8 0
2 years ago
100points PLEASE HELP ASAP - In 2012, the total ecological footprint Of China Was only just below that of The European union. Bu
fomenos
The Ecological Footprint measures the amount of biologically productive land and sea area an individual, a region, all of humanity, or a human activity that compete for biologically productive space. This includes producing renewable resources, accommodating urban infrastructure and roads, and breaking down or absorbing waste products, particularly carbon dioxide emissions from fossil fuel. The Footprint then can be compared to how much land and sea area is available.

Biologically productive land and sea includes cropland, forest and fishing grounds, and do not include deserts, glaciers and the open ocean.

Current Ecological Footprint Accounts use global hectares as a measurement unit, which makes data and results globally comparable. Calculation methods are standardized so results of various assessments can be compared.
4 0
3 years ago
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Calculate the number of cells in a hummingbird, assuming it has a mass of 10-2 kg.
Nikitich [7]

The number of cells in a hummingbird, given the data is 10¹² cells

<h3>How to determine the mass of one cell</h3>

We'll begin by obtained the mass of a cell. This can be obtained as illustrated below:

Mass of 1 cell = 10 × mass of bacterium

But

Mass of bacterium = 10⁻¹⁵ Kg

Thus,

Mass of 1 cell = 10 × 10⁻¹⁵ Kg

Mass of 1 cell = 10⁻¹⁴ Kg

<h3>How to determine the number of cells in the hummingbird</h3>

The number of cells in the hummingbird can be obtain as follow:

  • Mass of 1 cell = 10⁻¹⁴ Kg
  • Mass of hummingbird = 10⁻² Kg
  • Number of cells =?

Number of cells = Mass of hummingbird / mass of 1 cell

Number of cells = 10⁻² / 10⁻¹⁴

Number of cells = 10¹² cells

Thus, the number of cells in the hummingbird is 10¹² cells

Learn more about number of cells:

brainly.com/question/21336646

#SPJ1

Complete question

Calculate the number of cells in a hummingbird assuming the mass of an average cell is ten times the mass of a bacterium. The mass of a hummingbird is of the order of 10⁻² Kg and that of a bacterium is 10⁻¹⁵ Kg

4 0
2 years ago
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