Question

answer this all answer I will mark you as BRAINLIST

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Answer 1

Answer:

11 question

An autotroph is an organism that can produce its own food using light, water, carbon dioxide, or other chemicals. Because autotrophs produce their own food, they are sometimes called producers. ... Most autotrophs use a process called photosynthesis to make their food

12 question

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

Plants exhibit two types of movements.

Growth-dependent movements called the Tropic Movements. ( towards or away from a stimulus)

Non-growth dependent movements called the Nastic Movements. ( independent of stimulus

13th question

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.

14th question

A renewable resource is one that can be used repeatedly and does not run out because it is naturally replaced.

15th question

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.

16th question

Nitrogen

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%.

17th question

air consist of various gases. the least component in the air is helium which is listed in other air components (1%) .

18th question

What Is Source Water? 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.