Rock and sand are non-living. All organisms are living.
Answer:
78.7
Explanation:
The number has 4 significant figures: 7,8 6 and 5.
To round off to 3 significant figures, the target digit is the third significant figure in the number.The determining digit is the fourth significant figure in the number; it is 5 hence the target digit will go up by 1 and any digits to the right of it will be rounded down to 0.
Answer:
metals is the simplest form of crystalline solid
Answer: A lot of food chains
Explanation: A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
