Biology, 19.01.2021 14:30 choyontareq
Match The Following
A. A gas produced during combustion which act as plant food --- 1. Voltameter
B. A gas produced during combustion, which causes acid rain --- 2. carbon monoxide
C. Incomplete combustion of petrol --- 3. cation
D. The apparatus in which electrolysis is carried out --- 4.sulphur dioxide
E. The Positively charged ions --- 5.carbon dioxide
Answers: 3
Biology, 22.06.2019 03:50
What did not occur in the proterozoic eon a)the oxygen levels increase greatly in the atmosphere,b)the emergence of the eukarya , c)muti cellaβs eukaryotic organisms began to diversify,d)anaerobic bacteria kept thriving with more oxygen
Answers: 1
Biology, 22.06.2019 09:00
Which of these is an example of land degradation? a. containers designed to store pollutants leak. b. fertilizers provide too many nutrients to crops. c. garbage is buried so the land can be reclaimed later. d. a drought kills all the plants in an area, leaving bare land
Answers: 3
Biology, 22.06.2019 12:30
What part of the cell does 9 represent? a. cytoplasm b. lysosome c. ribosome d. centrosome
Answers: 2
Biology, 22.06.2019 13:00
Why is the statement not a hypothesis? sunflowers require soil and plenty of sunlight and water to grow and thrive.
Answers: 3
Match The Following
A. A gas produced during combustion which act as plant food --- 1. Voltameter <...
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