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ryzh [129]
3 years ago
12

Which of the following is a common agricultural use of a mineral??

Biology
2 answers:
klasskru [66]3 years ago
3 0
C The limestone lowers the acidity of the soil by neutralizing the acid in the soil because limestone is slightly basic and acids and bases neutralize each other. <span>
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ioda3 years ago
3 0

Answer: Spreading limestone on crop fields to neutralize acidic soils.

Minerals are necessary for the growth of plants growing in an agricultural field. Plants obtain minerals from the soil. Minerals like potassium, phosphorous, and nitrogen are required by the plants for their growth. Also, minerals are added to the soil of the agricultural field to maintain the pH of soil, which is desirable for specific crop growth. Limestone is a mineral useful for maintaining the pH of soil. It's primary component is calcium carbonate. It is basic in nature. It is added up to the soil to increase it's pH, with it's use soil acidity is reduced and alkalinity is increased. Therefore, it nutralize the acidic soil and makes it suitable for plant growth.

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In the term 2pq of the Hardy-Weinberg equation. Why is the multiplication by two necessary?
Gnesinka [82]

Answer:

The correct answer is : option B.

Explanation:

Hardy–Weinberg equilibrium is a mathematical model that states that genotype percentage or frequency in a population and allele in a population remains stable or constant to generations if there are no evolutionary influences present.

Hardy Weinberg equation is :

            P²+2pq+q² = 1

Here, p² represents the frequency of genotypes dominant homozygotes (AA) in a population in equilibrium. The term 2pq represents the frequency of heterozygotes (Aa)  as there are two ways of developing heterozygous individuals either dominant from the egg and recessive from sperm or vice versa. and the term q² represents the frequency of recessive homozygotes (aa).  

Thus, the correct answer is : option B.

3 0
3 years ago
What are the differences between white blood cells and normal eukaryotic cells?
Veronika [31]

Answer:

White blood cells (WBCs) are specialized to respond to antigen and produce antibodies as well as undergo phagocytosis in response to toxic stimuli.

WBCs are part of immune system and there are five different kinds with specialized features.

In order to make a cell model, it is best to use a muscle cell and a nerve cell or neuron: there are pronounced structural differences and those are present throughout animal kingdom.

Lower animals ( such as insects, worms etc. ) have different immune system, however, they do have typical neuron and a muscle cell/skin cell (fibroblast). Such cell models are likely to be easy, distinct and bring you good grades without going through much complication and confusions of various organ systems and animal mod

Explanation:

5 0
2 years ago
What are 2<br> factors that prevents joints from rubbing and wearing down your bones
inessss [21]
A layer of smooth cartilage at their ends, which cushions the bones and prevents them from rubbing directly against one another. The whole joint is also enclosed in a synovial capsule, which is full of synovial fluid. The synovial fluid acts like the oil in an engine, lubricating the joint and preventing the cartilage from becoming worn down.
8 0
3 years ago
Read 2 more answers
Multicellular organisms must be protected from the external environment. Because of this, cells of even the simplest multicellul
Vladimir [108]

Answer:

epithelial tissue

Explanation:

7 0
3 years ago
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PLEASE HELP
Margaret [11]

Answer:

World Wildlife Federation (WWF)

Explanation:

They're one of the MANY organizations who help with wildlife and their habitats.

5 0
1 year ago
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