☆ which gas is produced when a fuel burns in a. sufficient supply of air
b. insufficient supply of air

☆ in a soda-set type fire extinguisher, reacts with sulphuric acid to give out carbon dioxide.



Here, We have 2 questions. (☆ marked)
Subject - Science (Biology)

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The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

The table shows dates and appearance of index fossils. which rock layers can be dated most precisely? a) a layer containing both a fossil 4 and a fossil 3 b) a layer containing both a fossil 2 and a fossil 3 c) a layer containing both a fossil 1 and a fossil 4 d) a layer containing both a fossil 1 and a fossil 2

What characteristic make legumes a good food source for food insecure populations