An experiment starts with a question , which then turns into a hypothesis. every experiment has variables in it and each one has a title in the expiemernt which is the controlled group the experimental group which is what you are testing, you also have the dependent and independent variables. and the confounding variable
Answer:
a,b,d: physical property
c: chemical property
Explanation:
(a) Metallic lustre is classified as a physical property because the metallic substance is not being changed
(b) Boiling point is classified as a physical property because in boiling point composition of matter is not changed.
(c) explodes when ignited: This one is classified as a chemical property because it does not remain the same substance when something is exploding. It changes.
(d) changes colour when mixed with water: this one is classified as a physical property as the substance remains the same as the physical properties does not change when it is mixed with water.
Primary consumers are the consumers that eat the producers directly. Other level consumers are eating other consumers to INdirectly eat the producer.
Answer:
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