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Answers
Answer:
match the following answers
A. B
1 e
2. a
3. c
4. b
5. d
fill in the blanks answer
6. petroleum
7. oxygen
8.
9. plant
10. carbohydrates
11. a living thing that is able to feed itself using simple chemical substances such as carbon dioxide
12. Tropic movements are the directional movement of growth . Light induced growth movements are called phototropism. Gravity induces a growth movement and is called geotropism . Growth induced by water stimulus is called hydrotropism. Chemical stimulus induces growth and is called chemotropism
13. The natural processes of plants protect our planet and supply the air we breathe and the water we drink.
Plants harvest sunlight and are the primary producers of the energy in all food chains. Plant communities or vegetation are the structural basis of the ecosystems in which we all live. They maintain the physical and chemical integrity of those ecosystems.
Plants prevent soil erosion and desertification.
Plants provide the raw materials for food, clothing, medicines, construction and many other products that sustain our lives.
Plants enhance our quality of life – they add variety and beauty to our surroundings.
Plants help to shape our culture and provide inspiration for writers, artists and poets. They are steeped in history and folklore and illuminate significant life events like birth, marriage and death.
14. A renewable resource, also known as a flow resource, is a natural resource which will replenish to replace the portion depleted by usage and consumption, either through natural reproduction or other recurring processes in a finite amount of time in a human time scale.
15. Soil is our life support system. Soils provide anchorage for roots, hold water and nutrients. Soils are home to myriad micro-organisms that fix nitrogen and decompose organic matter, and armies of microscopic animals as well as earthworms and termites. We build on soil as well as with it and in it.
Soil plays a vital role in the Earth’s ecosystem.
16. The most abundant naturally occurring gas is Nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert gas Argon (Ar) is the third most abundant gas at .93%. There are also trace amounts of carbon dioxide (CO2), neon (Ne), helium (He), methane (CH4), krypton (Kr), hydrogen (H2), nitrous oxide (NO), xenon (Xe), ozone (O3), iodine (I2), carbon monoxide (CO), and ammonia (NH3) in the atmosphere.
17. helium
18. Source water protection includes a wide variety of actions and activities aimed at safeguarding, maintaining, or improving the quality and/or quantity of sources of drinking water and their contributing areas. These activities may depend on the type of source being protected (e.g., groundwater, reservoir, or river).
Some examples of source water protection are:
Riparian zone restoration to reduce runoff pollution;
Stream bank stabilization to reduce sedimentation;
Land protection/easements;
Best management practices for agricultural and forestry activities or stormwater control;
Local ordinances to limit certain activities in source water or wellhead protection areas;
Developing emergency response plans; and
Educating local industry, businesses, and citizens on pollution prevention and source water protection.
19. After a period of preliminary trials of various methods, the final data were collected during May and June, 1942. It should be kept in mind that the results describe the attitudes and habits of the people at that time (only sugar was rationed). The material was collected from the residents of a midwestern town with a population of about 60,000. Although surrounded by farming country, the town has a variety of industrial plants. It has employed a nutritionist for a number of years and has had a good nutrition program.
20. In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume.
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Answer:
part 3. 11
a living thing that is able to feed itself using simple chemical substances such as carbon dioxide.
12
the movement of a plant in the direction of stimulus is known as tropic movement or tropism. the movement of a part of the plant towards light is called phototropism. growth of aerial parts of a plant towards light is an example of photo tropism.
13
The natural processes of plants protect our planet and supply the air we breathe and the water we drink. ... Plants prevent soil erosion and desertification. Plants provide the raw materials for food, clothing, medicines, construction and many other products that sustain our lives.
14
A renewable resource, also known as a flow resource, is a natural resource which will replenish to replace the portion depleted by usage and consumption, either through natural reproduction or other recurring processes in a finite amount of time in a human time scale.
15
Soil is our life support system. Soils provide anchorage for roots, hold water and nutrients. Soils are home to myriad micro-organisms that fix nitrogen and decompose organic matter, and armies of microscopic animals as well as earthworms and termites. ... Soil plays a vital role in the Earth's ecosystem.
16
Nitrogen
17
air consist of various gases. the least component in the air is helium which is listed in other air components (1%) .
18
Source water refers to sources of water (such as rivers, streams, lakes, reservoirs, springs, and groundwater) that provide water to public drinking water supplies and private wells.
19
By depriving our bodies of the nourishment it needs can lead to poor nutrition and eating habits which can cause obesity, diabetes, and increase certain risk factors for stroke, heart disease, and cancer.
20
In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume.