Answer: Competition could limit the size of a bird population if there wasn’t enough food available. Then members of the bird population would have to compete with other populations & with each other for food to survive.
Hope this helps :)
Answer:
yes
Explanation:
A chemical compound is considered to be a pure substance. This is because each molecule of the chemical compound has the same chemical formula.
Please write out the problem you are specifying <span />
Classification: Oxygen is a chalcogen and a nonmetal
Color: colorless
Atomic weight: 15.9994
State: gas
Melting point: -218.3 oC, 54.8 K
Boiling point: -182.9 oC, 90.2 K
Electrons: 8
Protons: 8
Neutrons in most abundant isotope: 8
Electron shells: 2,6
Electron configuration: 1s2 2s2 2p4
Density @ 20oC:
