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alexira [117]
3 years ago
8

Lichens (small green plants) growing on a large boulder release enzymes and other acids that slowly break the rock apart. This i

s an example of:Required to answer. Single choice. (1 Point) plant acids exfoliation abrasion
Biology
1 answer:
iren2701 [21]3 years ago
7 0

Answer:

plant acids

Explanation:

A lichen consists of a photosynthetic microorganism such as, for example, a photosynthetic green alga, which is surrounded by the filaments of a fungus. Moreover, chemical weathering is a gradual process where chemicals react with the minerals in the rock to form new minerals, oxidize or simply dissolve them. Lichens can lead to chemical weathering of rocks via the excretion of organic acids (e.g, oxalic acid) capable of dissolving minerals and chelating metallic cations.

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Tetracycline has long been added to livestock and poultry feed in the united states in order to produce rapid growth as well as
Whitepunk [10]

It is problematic due to antibiotic-resistance that would occur. This extensive use and abuse of antibiotics result in the emergence  of resistant strains of bacteria.  Some types of bacteria that cause serious infections in humans have already developed resistance to most or all of the available treatments, and there are very few promising options in the market.






4 0
3 years ago
1. Describe the possible mechanisms whereby exercise may enhance health status and list at least eight of the potential health b
Gala2k [10]

Answe

Explanation:

Excersice increases the cardiac and skeletal muscels strenght for maximum oxygen consumption for energy output.

It lowers the blood pressure and in prove RBC count for oxygen transportation and distribution.

It cut down risk of osteoporosis, by stimulating bone growth.

5 0
3 years ago
A researcher crosses the F1 generation of two snapdragon plants. According to this information and the diagram below, what is th
Stels [109]

The correct answer is B. 1 red; 2 pink; 1 white

Explanation:

In genetics, the combination of alleles (genotype) determines the phenotype or physical features; for example, in this case, the color of the flowers in the snapdragon plants can be determined by the combination of dominant alleles (R) and recessive (r) alleles. Additionally, in the case presented, a dominant allele combined with a recessive allele (Rr) leads to pink snapdragon plants, while two dominant alleles (RR) lead to red snapdragon plants, and two recessive alleles (rr) lead to white snapdragon plants.

According to this, the generation F2 shown in the chart produced 1 red plant because there is only one plant with RR genotype; 2 pink plants because there are two plants with Rr genotype; and finally one white plant because the last plant has an rr genotype.

8 0
3 years ago
To find the graphical solution when adding vectors, you can draw a(n) ____ from the starting point to the ending point.
ehidna [41]

Answer:

arrow (which creates the resultant vector)

Explanation:

When you use the graphing technique when adding vectors, you can use the head to tail method to draw the vectors. And from the starting point or the tail of the first vector you drew, you will draw an arrow touching heads with the head of the last vector drawn.

With that, you can use a ruler to measure the resultant vector's magnitude, and use a protractor to measure it's direction.

Below is an example:

Let:

V1 = Vector 1

V2 = Vector 2

R - resultant vector.

4 0
3 years ago
Explain why stem cell research is a big field in biology today? <br><br><br><br> Plz help thanks!!!
Vilka [71]

Answer: The reason why stem cell research is a big field in biology or even the world is because stem cells might be able to treat degenerative conditions as well as answering questions about human development.

7 0
3 years ago
Read 2 more answers
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