Question 1

Identify the role played by the different biotic components of the environment.

Accepted Answer

linking://consumer|# 74f48b39-9498-4c1c-acc7-436e93f3d579/question/8cea83bbcd571d0910903df678d8321ec2ab5e2e.jpg :producer|# 74f48b39-9498-4c1c-acc7-436e93f3d579/question/41981d22d662bd6c49b6867a0116d14bc21ea481.jpg :decomposer|# 74f48b39-9498-4c1c-acc7-436e93f3d579/question/d14c51423e79244d92bd5397cd9d1a89edcde212.jpg

Question 2

Choose the events or happening on the

layers of the atmosphere.

Accepted Answer

sorting:// thermosphere|#74f48b39-9498-4c1c-acc7-436e93f3d579/question/70abb6a18142105e6978cf9640b2446a1dedd899.jpg :mesosphere|#74f48b39-9498-4c1c-acc7-436e93f3d579/question/767de315698bb8611a09dd15d000ea4c9b8ae9ef.jpg :stratosphere|# 74f48b39-9498-4c1c-acc7-436e93f3d579/question/5133a9d89b7c497795216250758faddedcbfb032.jpg

Question 3

videoq:Sq1sbAGHB-s: 1:99 // Based on the video, what are the two types of pure substance?

Accepted Answer

Elements and compounds

Answer

Elements and mixtures

Answer

Homogeneous and heterogeneous

Answer

Solvent and solute

Question 4

What is the speed of Lydia?

Accepted Answer

2m/s

Answer

10m/s

Answer

6m/s

Answer

5m/s

Question 5

Choose the meaning of words in column A to column B.

Accepted Answer

linking://solution|composed of solute and solvent particles: pure substance|composed of elements and compounds: mixture|homogeneous and heterogeneous.

Question 6

How is speed differs with velocity?

Accepted Answer

sorting://speed|distance, time: velocity|speed, direction

Question 7

Arrange the layers of the atmosphere from bottom to top.

Accepted Answer

Question 8

Give examples of abiotic components of the environment.

Accepted Answer

freetextm://sunlight:water:air:soil

Question 9

It is the natural warming of the earths surface brought by the greenhouse gases.

Accepted Answer

freetext://greenhouse effect

Answer

Global warming

Answer

El nino

Answer

Forest fire

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