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Mumz [18]
3 years ago
6

When soil first forms over bare rock, what is it made of?

Biology
1 answer:
11111nata11111 [884]3 years ago
6 0

Answer:

Explanation:

Weathering and erosion produce ever smaller rock particles which,

when mixed with dust and decayed organic matter over time ,

result in different types of soil .

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Two characteristics of most plants are a root system and a shoot system. Most of the structures in these systems are common to a
Sidana [21]

Answer:

stems, leaves, flowers

Explanation:

There are two parts in the plants  ----

1. the shoot system

2. the root system

Shoot system are defines as the upper part of the plant which means it is the part that lies above the ground or surface. It consists of stem, leaves and flowers. It is responsible for food production and is the production center of a plant.

The root system is the part that is under the soil. It holds the plant in its place and helps to absorb water and mineral from the soil. It helps to store the products of the photosynthesis process from the shoot system.

5 0
3 years ago
When an earthquake occurs, energy radiates in all directions from its source , which is called the
AleksandrR [38]
Energy radiation is considered the term
4 0
3 years ago
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Bacteria in the phylum ________ occur as elementary or reticulate bodies depending on their life cycle stage, are obligate intra
HACTEHA [7]

Answer:

This question lacks options, options are:

Chlamydiae

Planctomycetes

Rickettsia

Bacteroidetes

The correct answer is Chlamydiae.

Explanation:

Chlamydiae together with mycoplasmas, constitute the bacterial species with the smallest genomes, possibly because they are obligate small intracellular parasites for a long time, which has allowed them to lose certain metabolic pathways, however, they contain DNA, RNA and ribosomes therefore synthesize their own proteins and nucleic acids. Chlamydiae have a unique biphasic life cycle: the elemental body, which is the infectious form, and the reticular body, which is the replicative and metabolically active form that possesses a fragile membrane that lacks the extensive disulfide bonds characteristic of elemental bodies. The characteristics of its biological cycle do not facilitate the possibility of exchange and acquisition of exogenous genetic material.

4 0
3 years ago
Which of the following best represents the purpose of fertilizers?
Kipish [7]

Answer:

Fertilizer, natural or artificial substance containing the chemical elements that improve growth and productiveness of plants. Fertilizers enhance the natural fertility of the soil or replace the chemical elements taken from the soil by previous crops.

3 0
3 years ago
Which best summarizes the findings of griffith?
marishachu [46]
"Griffith's experiment discovering the "transforming principle" in pneumococcus bacteria. Griffith's experiment, reported in 1928 by Frederick Griffith, was the first experiment suggesting that bacteria are capable of transferring genetic information through a process known as transformation." - Griffith's experiment

Using the above information taken from Wi**pedia, the best summary for the findings of Griffith is CELLS CONTAIN A TRANSFORMING FACTOR.
4 0
4 years ago
Read 2 more answers
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