Answer:
D) burning a candle
A demonstration that contains both physical and chemical changes will be BURNING OF A CANDLE.
<em>This is because when a candle is lighted up, on the top of it (where we see flame) the oxygen and other gases present around will be chemically changed (burned up)</em>
<em>When the wax in the top of the candle will get melted due to the heat of the fire a physical change takes places.</em>
The atomic number is the numbers of protons
Answer:
Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of electric charge: positive and negative (commonly carried by protons and electrons respectively).
Explanation:
Mark me Branliest
Answer:
Based on the temperature and rainfall, it is the tropical
Which figure is closest to the age of the solar system?
4.5 billion years
What force pulled the solar system together out of a cloud of gas and dust?
Gravity
Which term best describes how the solar system is formed?
Gradually
