I need help two hope someone will help you and I didn’t understand your question
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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False. Chemical reactions usually depend on the reactants temperature.
Answer: Reptiles include snakes, turtles and lizards, while amphibians include toads, frogs and salamanders. One difference between reptiles and amphibians is their relationship with water.
Explanation:
Amphibians:
- Skin is smooth and highly porous.
- The webbed feet help them to swim.
- Their eggs are covered with gel.
Reptiles:
- Skin is dry, hard and scaly.
- They have limbs to facilitate running and swimming.
- Their eggs are covered with a hard protective covering.
Distance Travelled- 5 miles
Displacement- 13 miles
