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:
A. Chemical modification may allow for extended drug capacities such as expanded spectrum of activity and increased stability.
Explanation:
Any modification in antibiotic structure and chemical will affects its ability in a way to increase it capability of target microbes and act efficiently. These modification can increase half life and stability of the drug.
Answer:
Clay is not mined in Minnesota.
Explanation:
- Minerals that are found in Minnesota are broadly categorized into two types- metallic minerals and industrial minerals.
- Metallic minerals divided into ferrous mineral which contain iron and non ferrous minerals donot contain iron but it contain other metals like copper.
- Metallic minerals contain iron ore,where as non ferrous minerals contain manganese,copper,nickel,platinum,titanium etc.
- Industrial minerals include sand,gravel,peat,landscape stone,silica sand,limestone, china clay etc.
- Some times,different bedrock are mined like quartzite, granite, gabbro, gnesis etc.
Condensation, because when water vapor turns into water again it needs to release energy to do so. Its like turning ice into water again.
I hope this helped ^_^
