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elena55 [62]
3 years ago
9

Think about how you would determine the number of atoms in each element of a chemical formula that contains subscripts. Explain

how to write a chemical formula in order to identify the number of atoms of each element in the compound.
Biology
1 answer:
kotegsom [21]3 years ago
5 0

Answer:..

Explanation:

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emily wants to know how green, blue and red color light affects plant growth compared to natural light. (Hint: what light affect
MArishka [77]

Red and blue colored lights are most effective for plant growth.

Plant Growth is the dependent variable and light color is the independent variable. The rest are control variables.

A Control variable is the part of the experiment that we keep the same throughout all of the test subjects. An independent variable does not depend on other variables and a dependent variable does.

Allow me to explain. When we perform an experiment, many factors that can change the results, For this reason, it is common practice to keep many of them the same for all test subjects (In this case for all of the plants). This way we know that if changes are measured, they were not caused by these variables. These are what we call control variables.

An independent variable does not depend on other variables to remain the same. For example, the species of plant would be an independent variable, given that a plant cannot change its species because of other factors.

A dependent variable does change according to other variables and is often what we try to measure. For this example given, the dependent variable is how much the plant will grow with each colored light.

Knowing that plants rely on light to produce the energy needed to grow, we can <u>hypothesize</u> that applying different colors of light will have an effect on plant growth. To test this, we can create an experiment where we use:

  • Soil
  • amount of water
  • amount of light
  • species of plant
  • length of experiment

As control variables.

One group of plants will have blue light, another green, and another red. We can identify the color of light as an independent variable.

Since what we seek to measure is plant growth, we identify this as our dependent variable and measure it for each plant after a set amount of time, to compare results.

With this, you can confidently identify the control, dependent, and independent variables and how to use them in your experiment.

To learn more about experiments try: brainly.com/question/17314369?referrer=searchResults

4 0
3 years ago
The researcher also collected height data from 200 female sheep during both years but didn't notice a significant
sergiy2304 [10]

The data suggests that there is no change in height of sheep because of

Hardy Weinberg equillibrium.

Explanation:

Data given:

heights of 200 sheeps remains the same for two years.

reason=?

There is no change in the phenotype of the sheep population during two years as there is no effect of environmental factors, no evolution or genetic drift in the population. Such population happens due to Hardy Weinberg equillibrium.

This principle says that there will be no genetic variation in a population when no evolution causing factors are there. These factors are environmental, mutation, genetic drift, natural selection or gene flow.  When no new alleles are added in the population it remains same.

Thus in case of the 200 sheeps it is assumed that they were in Hardy Weinberg equillibrium.

8 0
3 years ago
Read 2 more answers
Are osprey birds friendly toward human? Do they come into contact with humans?
marusya05 [52]
Osprey are a type of Hawk, which can kill small rodents, other birds and possibly small pets like cats. Although Osprey usually stay away from humans as most feral birds do if provoked they can fight back. They have claws and a sharp beak so it is recommended to leave them alone due to this. You should stay away from all wildlife regardless of how friendly they appear to be because they could carry dieses that make that act differently.
4 0
2 years ago
At present, the study of liposomes has become a hot topic. What are the applications of liposomes?
Vikentia [17]

Answer:

Nowadays, liposomes have become very popular in carrying numerous molecules in cosmetic and pharmaceutical industries. In addition, in food and farming industries, it has been extensively studied that the use of liposome encapsulation to develop delivery systems. The new delivery system can entrap unstable compounds (such as antimicrobials, antioxidants, flavors and bioactive elements) and shield their functionality.

In recent years, liposomes are designed for advanced biotechnology product delivery systems, including antisense oligonucleotides, cloned genes, recombinant proteins and drugs. The delivery system using liposome has many benefits. For example, the solubility of lipophilic and amphiphilic drugs can be improved by loading them in liposomes.

Currently, because of severe side-effects and toxicity, quite a few drugs on the market can only be used in the direst situations. Many of these drugs have exceptional antimicrobial effect, however, the poor pharmacokinetic and pharmacodynamic properties limit their use. Drug encapsulation using liposomal or lipid drug delivery system can improve the problems mentioned above to such an extent. Therefore, the drugs can be brought into regular use with improved pharmacokinetic and pharmacodynamic properties.

Explanation:

https://www.creative-biostructure.com/pclass-liposomes-products-5.htm

4 0
2 years ago
You are involved in a biodiversity survey and encounter a meadow of grass. How would you best describe the grass?
andreyandreev [35.5K]

Answer:

Monocot

Explanation:

All flowering plants (Angiosperms) are classified into monocots and dicots. Monocotyledons are plants that have one seed leaf (cotyledon) when the seeds germinate. These plants also have other features such as, for example, parallel-veined leaves, adventitious root system, flower parts in multiples of threes (i.e., 3, 6 or 9 petals), etc. Poaceae (Gramineae), also known as grasses, is a large family of monocotyledonous plants. Therefore, all the grasses are monocot.

7 0
2 years ago
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