Matter that has a fixed composition is a which is formed

a) pure substance, chemical changes
b) mixture, physical changes
c) precipitate, chemical reactions
d) compound, stirring

a lot of it means it can be "burned" for energy and sold at one price. if it is scarce, the price will go up

which piece of furniture will have the most inertia and give the furniture movers the most difficulty in moving?  

answer

a 75kg dining table

the best answer for these questions would be:

1.            c. is smaller

2.            d) concrete operational

3.            b) interaction with the environment – the children interact with their environment can them learn more.

4.            a) parents who reason openly with children can limit a child’s cognitive ability.

access to city

explanation: