<span>Its components are visible. --heterogenous
It may be mistaken for a pure substance. --homogenous
It can be separated using distillation. --homogenous
Concrete is an example of this kind of mixture. --heterogenous
Hope this helps!</span>
Answer:
A covalent bond.
Explanation:
A covalent bond, also called a molecular bond, is a chemical bond that involves the sharing of electron pairs between atoms.
Answer:
When hydrocarbon fuels are brined
Explanation:
Carbon dioxide is added to the atmosphere by human activities
Scientists collect information that allows them to make evolutionary connections between organisms. Similar to detective work, scientists must use evidence to uncover the facts. In the case of phylogeny, evolutionary investigations focus on two types of evidence: morphologic (form and function) and genetic.
