A balance is best used to measure a sample's mass.
Answer: C
Explanation:
Weighing balance refers to a measuring instrument which is used to measure the mass of the sample.
It has two pans. On one pan, the material to be weighed is placed, with adequate known loads on the other one to such an extent that the shaft will be in balance.
The distinction between the zero perusing and the perusing with the dish stacked demonstrates the contrast between burdens in scale divisions.
Such an instant weighing needs the arms be of equivalent length.
Answer:
Air pollution would most likely trigger climates change.
Explanation:
Poor air quality can lead to fires, diseases, and higher air temperature
Answer:
A habitat is a place where an organism makes its home. A habitat meets all the environmental conditions an organism needs to survive. ... The main components of a habitat are shelter, water, food, and space. A habitat is said to have a suitable arrangement when it has the correct amount of all of these.
Answer:
The total amount of matter on Earth constantly increases.
Explanation:
This is because there are always new things taking birth every second and they have matter in them, so the matter is increasing constantly.
The correct options are, frying an egg and burning candle.
Explanation :
Physical change : It is a change in which no new compounds are formed only changes occurs in size or state of substance. In this, there is no changes in the substance or compound.
Chemical change : It is a change in which a new compounds are formed by the chemical reaction. Changes occurs in their chemical composition and properties.
Frying an egg : It is a chemical change because a new substance is form by heating.
Burning a candle : It is chemical change because new substances are formed (carbon dioxide, water and heat) by burning.
Boiling alcohol : It is physical change because only changes in the state.
Melting and ice : It is a physical change because only changes in the state.
Making coffee : It is a physical change because no new substance is formed.
Therefore, frying an egg and burning candle are the example of chemical change.
