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erik [133]
3 years ago
5

1. Which weather instrument is used to measure air temperatures recorded on a weather

Biology
2 answers:
Aleksandr-060686 [28]3 years ago
7 0
The correct answer is thermometer.
stiks02 [169]3 years ago
6 0

Answer:

The correct answer is (3) thermometer

Explanation:

A THERMOMETER quantifies the air temperature. more importantly, thermometers are closed glass tubes containing fluids equivalent to alcohol or mercury. When air across the tube heats the liquid, the liquid expands and strikes up the tube. A scale then exhibits what the true temperature is.

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Imagine these two elements, element A and element B are solids. The two elements are poured into a beaker and mixed. Illustrate
Kryger [21]

Chromatography is a simple technique in principle, it remains the most important method for the separation of mixtures into its components. It is quite versatile for it can be used to separate mixtures of solids.

Explanation:

  • The two elements of chromatography are the stationary phase and the mobile phase. There are many choices of stationary phases, some being alumina, silica, and even paper.  The mobile phase, in liquid chromatography, can also vary.  It is often either a solvent or a mixture of solvents and is often referred to as the eluant.
  • A careful choice of eluting solvent helps to make the separation more successful.  The mixture is placed on the stationary phase.  The eluant passes over the mixture and continues to pass through the stationary phase carrying along the components of the mixture.
  • Chromatography is used in industrial processes to purify chemicals, test for trace amounts of substances, separate chiral compounds and test products for quality control. Chromatography is the physical process by which complex mixtures are separated or analyzed.
  • Chromatography is based on the principle where molecules in mixture applied onto the surface or into the solid, and fluid stationary phase (stable phase) is separating from each other while moving with the aid of a mobile phase

3 0
3 years ago
Forest rangers are genetically testing the deer in the forest after many were found dead. The tests determined that due to inbre
wariber [46]

Answer:

how to eliminate the recessive lethal alleles from the wild population

Explanation:

Inbreeding depression can be defined as reduced fitness of the population due to inbreeding (i.e., by breeding of genetically related organisms). Inbreeding depression is generally related to the genetic population bottleneck. In a genetic bottleneck, recessive alleles are exposed under inbreeding conditions, thereby producing interbreeding depression. In this case, inbreeding depression is extreme, and it could lead to the extinction of the wild population due to the expression of lethal recessive alleles.

8 0
3 years ago
Laboratory rats and mice live up to 40% longer than usual when fed a diet of at least 30% fewer calories than that which they wo
Lelechka [254]

Answer:A

Explanation: of course 30% fewer calories than that which they will normally eat because of their body size.

3 0
3 years ago
A sunflower is an angiosperm, and a gingko is a gymnosperm. Which best describes the life cycles of sunflowers and gingkoes? I.
dalvyx [7]

The correct statements are I, III and IV.

An angiosperm refers to a plant, which exhibits flowers and generates seeds enveloped within a carpel. The angiosperms include a large group of herbaceous plants, grasses, shrubs, and the majority of trees. While gymnosperms refer to the plants that exhibit seeds but not safeguarded by any kind of fruit or ovary. It includes the cycads, gingko, and conifers.

Both the angiosperm (sunflower) and gymnosperm (gingko) are seed-bearing plants. However, the seeds of a sunflower are safeguarded by a flower or fruit, while for the gingko, there is no mechanism like that, i.e, there is not any kind of protection. Additionally, sunflower exhibit phenomenon of double fertilization, which is not witnessed in the case of gingko.


7 0
4 years ago
What are the products of DNA replication composed of?
ira [324]

Answer:

The result of DNA replication is two DNA molecules consisting of one new and one old chain of nucleotides. This is why DNA replication is described as semi-conservative, half of the chain is part of the original DNA molecule, half is brand new.

Explanation:

sana makatulong(◍•ᴗ•◍)❤

6 0
3 years ago
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