Answer:
Decreases
Explanation:
As plants take out carbon dioxide from the atmosphere which they use for photosynthesis (making food). So as the number of plants increases carbon dioxide in the air decreases.
Answer : The chemical formula for the compound is,
Explanation :
When the element 'M' react with the to give .
The balanced chemical reaction is,
In this reaction, 'M' is in mono-atomic form and is in diatomic form.
By the stoichiometry,
2 moles 'M' react with the 1 mole of to give 2 moles of .
Therefore, the chemical formula of the compound is,
True.
For example: Sodium oxide and Nitric acid; both compounds contain oxygen.
Answer:
Classification, or taxonomy, is a system of categorizing living things.
Explanation:
There are seven divisions in the system: (1) Kingdom; (2) Phylum or Division; (3) Class; (4) Order; (5) Family; (6) Genus; (7) Species. Kingdom is the broadest division.