I would say that it's true
1.) A compound is a thing that is composed of two or more (separate) elements.
2.) A compound cannot be separated easily, while its properties differ from where it originates from. It also is formed from chemical reactions.
3.) A pure substance, also known as chemical substance, is a material with constant composition and consistant properties.
4.) If a substance is not a pure substance, then it is an impure substance.
Hope this helped. :)
The correct answer is A because a higher population count always results in the use of more resources (and thus less available in the end). This is why carrying capacities of ecosystems tend to get lower as population counts rise.
Answer:
1.75 g
Explanation:
as density ×volume =mass
3.5×0.5=mass
mass=1.75 g
plz mark as brainliest if it helps