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leva [86]
2 years ago
5

HURRY 50 POINTS

Biology
1 answer:
Vinil7 [7]2 years ago
6 0

Answer:If we are talking the word it means, fishing with a trawl net or seine, or, sifting through as part of speech. if it isnt the word then i dont know:(

Explanation:

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What causes hydrogen bonding between water molecules?
luda_lava [24]

Answer:

They share two lone electron pairs

oxygen has 8 charges and hydrogen has 1 charge. Oxygen is negatively charged and hydrogen is positively charged.

7 0
3 years ago
What characteristic of water causes water to stick to the side of a test tube?
bazaltina [42]

Answer:

The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity (Claim).

Explanation:

Water (H₂O) is a polar molecule with the ability to generate van der Waals forces, which is explained by the 4 hydrogen bonds it forms to bind to other substances. The consequence of the forces of the molecular bonds are four properties of H₂O, including surface tension, cohesion, adhesion and capillarity.

- <u>Claim</u>: The characteristic of water that makes this liquid stick to the side of a test tube is called capillarity.

- <u>Evidence</u>: Cohesion and adhesion of water are properties that come from the forces of the molecular bonds of water, and whose effect is the ability of water to wet surfaces and adhere to a tube that contains it, the latter due to capillarity. Capillarity also allows water to rise through the roots and stems of plants, through their thin vascular ducts.

- <u>Reasoning</u>: <u>cohesion</u> in water depends on the force of attraction between H₂O molecules, <u>adhesion</u> is the capacity of H₂O molecules to join other different molecules and —together with <u>surface tension</u>— make H₂O molecules close to the walls of a glass tube adhere to it, which represents capillarity.

The effect of capillarity is more evident when the test tube is of a smaller diameter, although capillarity and adhesion to its walls always exist, and to a greater degree than any other substance.

8 0
2 years ago
A 28 year old female presents with severe chest pain and shortness of breath. she is diagnosed with pulmonary embolism. which is
Anton [14]
The pulmonary embolism is due to her heart not pumping correctly
3 0
3 years ago
Which measurement is most accurate to describe the amount a coffee cup could hold?
Alchen [17]

Answer:

Fluid ounces

Explanation:

6 0
3 years ago
is a pesticide that influenced society by increasing crop yield, but it also caused human and animal sickness.
ad-work [718]
Your answer is:
DDT

is a pesticide that influenced society by increasing crop yield, but it also caused human and animal sickness.

I hope this helped you!
8 0
3 years ago
Read 2 more answers
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