Answer:
Noble Gases.
Explanation:
The reason why I say this is due to them having eight valence electrons, their outer energy levels are full.
Answer: Ice cores.
Explanation: Ice cores are commonly studied by scientists to find out what the climate was like decades and centuries ago.
Answer:
invasive species are a problem both in anthropogenically altered and natural environments
Explanation:
An invasive species can be defined as a non-native species introduced into a new environment which then becomes abundant. Only in the US, it is believed that there are approximately 4,000 invasive species (some examples include the feral pigs, grey squirrels, European rabbits, etc.). In general, invasive species have a negative impact on the ecosystem, especially by displacing native species and thereby altering the trophic chain. In anthropogenically altered environments (anthromes), human beings are considered to be an invasive species.
Answer:50% chance possible offspring
Explanation:
Bacteria multiply by binary fission, which results in exact copies (clones) of the parent cell. There for B, 100 would be the answer.
