Humans have used food processing to preserve the length of time that food can be eaten. Chemicals are added to the food to reduce bacterial growth, produce less toxins, and improve taste. Which best describes the advantages of food processing?

Answers

Answer 1

Answer:

Answer: A control density dependent limiting factor.

A food processing is a process of increasing the shelf life of preventing the growth of bacteria and improving it's taste. A density dependent limiting factor is the one which affects the size and growth of the population depending upon the density of the population. Food is a density dependent limiting factor as it effects and availability are dependent upon the density of the population.

Food processing is advantageous in a sense as it maintains the quality of food hence, is a control over density dependent limiting factor.

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Which of the following is the best example of a way human lifestyles affect environmental systems?Burning fossil fuels increases the amount of greenhouse gases in the atmosphere.
Using radioactive materials causes ground pollution when chlorofluorocarbons (CFCs) seep into the ground.
Deforestation causes water pollution by decreasing water vapor in nearby lakes and rivers.
Using aerosol sprays increases the amount of ozone (O3) in the atmosphere.

Answers

The first one is the best example because fossil fuels are very scarce on earth and cannot be replaced burning them increases greenhouse gasses such as (carbon dioxide - CO2, water vapor and methane) when these are released into the environment they lead to global warming. One is the answer because it is directly caused by humans and how they live and directly affects the environment.

The best example of a way human lifestyles affect environmental systems is that burning fossil fuels increases the amount of greenhousegases in the atmosphere.

WHAT IS POLLUTION

Pollution is the release of toxic or harmful substances into the environment. These toxic substances can either be released into the air, water or land.

Anthropogenic activities i.e. human activities can be a source of pollution to the environment.

Fossil fuels include petrol, kerosene etc. and when burnt via the use of automobiles can release greenhouse gases like CO2, SO2 into the atmosphere causing global warming.

Therefore, the best example of a way human lifestyles affect environmental systems is that burningfossil fuels increases the amount of greenhouse gases in the atmosphere.

Learn more about pollution at: brainly.com/question/1578512

One of the three main functions of stems is toA. carry out photosynthesis.
B. carry water and nutrients between roots and leaves.
C. store carbohydrates.
D. store water.

Answers

the answer is b! It helps carry nutrients along the plant itself!

Answer: B

Explanation:

A is describing leaves

B is correct

C and D might be referring to roots or other storage modifications

The breakdown of food into molecules small enough to enter the bloodstream is primarily accomplished by the _____.stomach
small intestine
large intestine
liver

Answers

Answer:

The correct answer would be a small intestine.

The small intestine is the principal organ of digestion as well as absorption.

Events take place in the small intestine:

Intestinal enzymes such as maltase, lactase, sucrase et cetera digest disaccharides to their respective monosaccharides such as glucose, fructose, galactose.
Dipeptides are digested to amino acids.
Intestinal lipases convert di and triglycerides into fatty acids and glycerols.
Lastly, nucleotide and nucleoside are converted their respective sugars and bases.
The digested food is then absorbed with the help of diffusion, facilitated diffusion, and active transport.
The mucosa layer of small intestine consists of finger-like projections called villi and microvilli.
They increase the surface area of the small intestine and help in absorbing the digested food.
They then transport the absorbed materials to the bloodstream through capillaries and lymphatic vessels lying close to their surface.

Answer:

small intestine.

Explanation:

Actinophryx has an amoeboid body and glassy silica shells. Which phylum and class does it belong to?

Answers

The answer is phylum Sarcodina and class Heliozoa.

Actionophryx belongs to the group of Sarcodina. However, this is an older classification, and it is known that it belong to the groups of amoebas. It has a spherical body (helios, greek for sun) with axopodia (arms) so it is classified to the class sun-animalcules or Heliozoa. The body is surrounded by a glassy silica shell. It lives in freshwater, but some species are found in seas and oceans.

What is an effect of genetic drift on a gene pool?

Answers

Genetic drift is a random of sampling of alleles from the gene pool. if a chance of a forest fire for example kills all but two of the population, the maximum number of alleles two the individuals at as a single gene would be 4, if both heterozygous for different alleles, all the other ones would be lost and the remaining alleles would increase in frequency.

Answer:

Genetic drift reduces the size of gene pool of the population.

Explanation:

Genetic drift is any chance event that results in changes in the allele frequency of a population. The event either fixes an allele on the particular locus or makes the population to lose that allele.

Hence, genetic drift changes the genetic frequency by removal of a particular allele or by fixing it in the gene pool. Both conditions lead to reduced genetic variations in the population. And since genetic drift reduces the size of the population, the gene pool of the population would also shrink due to loss of alleles from it.

Northern lights or auroras can be seen within the _____ sub-layer.

Answers

The answer is Ionosphere. Northern lights or auroras can be seen within the Ionosphere sub-layer. The ionosphere is the layer of the Earth's atmosphere that contains a large amount of ions and free electrons, it is also able to reflect radio waves, it can also conduct electricity.

Northern lights or auroras can be seen within the ionosphere sub-layer.

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