John says," Wind energy actually comes from the Sun"
Which of the following is true of John's statement
1. False: Wind energy and solar energy are different sources of enery.
2. False: Wind energy is kinetic energy of air
3.True : Wind is caused by some parts of the atmosphere having higher temperature than other parts.
4.True: solar energy can be converted into kinetice energy
Study the Venn diagram show below
Pong Pong and dumbcane are grouped the same while pineapple is in another
A.How are the Pong Pong and Dumbcane are different from the pineapple?
B. put a dot in the Venn diagram and write "papaya"
The classficaction chart shows 2 groups of plants. They are classified according to their method of reproduction
Group A: mango and balsam
Group B: Mould and moss
Write a suitable heading for A and B
A-
B-
In which group would you place 'algae'?
Ps: please help again thanks lots part 3 last few questions
2007-09-21
21:34:32
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3 answers
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asked by
Anonymous
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Science & Mathematics
➔ Other - Science