dk12345 dk12345

09-03-2020
Biology

contestada

What happens to the level of mercury in a mercury barometer when air pressure decreases?

Respuesta :

boomboomroom boomboomroom

09-03-2020

Answer:

Explanation:

With an increased weight of air above the reservoir, the mercury level rises to a higher level. ... Since the number of air molecules above the area decreases, there are fewer molecules to exert a force on that surface. With a reduced weight of air above the reservoir, the mercury level drops to a lower level

Answer Link

ReyStarWars507 ReyStarWars507

09-03-2020

Answer:

Atmospheric pressure is commonly measured with a barometer.

Explanation:

In a barometer, a column of mercury in a glass tube rises or falls as the weight of the atmosphere changes. ... As the pressure decreases, the amount of oxygen available to breathe also decreases.

Answer Link

Otras preguntas

Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic engineering has many positive outcomes.

Choose whether the following statement represents a fact or an opinion. The Reader's Digest is a better magazine than Time.

Which of the following is a reasonable ground-state electron configuration? 1s22s22p63s23p64s24d4 1s21p62s22p3 1s22s22p63s23p64s23d1 1s22s22p43s2

1. Dimensions that use numbers that are parallel to the horizon no matter how the dimension lines are oriented are _______________. A. Aligned dimensions B. Uni

Complete the following analogy: ________: el señor : la niña: la señora Question 3 options: a) la estudiante b) el muchacho c) el niño d) l

What is the arc length when θ = 3 pi over 5 and the radius is 7 cm? (5 points) 3 pi over 35 cm 12 pi over 5 cm 6 pi over 5 cm 21 pi over 5 cm

If f(x)=2x^2-4x-3 and g(x)=2x^2-16, find f(x)+g(x) A. 4x^2-4x+13 B. 4x^2-4x-13 C. -4x-19 D. 4x^2-4x-19

Shalika bought a purse for $120. The tax rate is 9%. Which proportion can be used to find the amount of tax Shalika will pay?

Protective tariff Creation of a National Bank Profitable home markets and strong economy Construct better roads and canals What is being described?

Water moves across a permeable membrane whenever two solutions separated by the membrane differ in total solute concentration. the process is called __________.