The correct option is (d)They are each made of matter. Some are compounds made of one type of element. Some are pure atoms.
Any substance with mass and volume is considered matter because it occupies space. Water is a substance that is created when Hydrogen and Oxygen are combined in a fixed ratio (2 H: O) with a chemical link. The elemental metal silver can be found in nature in its metallic form. Carbon is an element, and carbon dioxide as a compound is created when elements of carbon and oxygen are joined in a specific ratio to form the gas.
They are each made of matter. Some are compounds made of one type of element. Some are pure atoms.
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Answer:
Guard cells perceive and process environmental and endogenous stimuli such as light, humidity, CO2 concentration, temperature, drought, and plant hormones to trigger cellular responses resulting in stomatal opening or closure.
Explanation:
Answer:
magnetic and electric fields are applied perpendicular to each other
Microwaves are electromagnetic waves which are composed of magnetic and electric fields oscillating perpendicular to each other.
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