<span>The correct answer to this question is the following:
The crust’s role in biogeochemical cycles allows it to provide the raw materials necessary for life on earth. The crust actually affects earth in a massive variety of ways, that are impossible for us to understand without the research undertaken by scientists to understand more about its' effects on life.</span>
Answer:
construction of dams
Explanation:
dams block water routes for migrating fish and create stagment sections that allow for breeding of bugs
Answer:
As I think second option is the correct one.
Explanation:
The myofibrils are made up of thick and thin myofilaments, which help give the muscle its striped appearance. The thick filaments are composed of myosin, and the thin filaments are predominantly actin, along with two other muscle proteins, tropomyosin and troponin.
Answer:
the movement of ions or molecules across a cell membrane into a region of higher concentration, assisted by enzymes and requiring energy.
Explanation:
The consumption of the food contaminated with botulin can make a person experience the symptoms of paralysis. The <em>Clostridium botulinum</em> bacteria produces this toxin, which is also known as botox. It is a neurotoxin which prevents the release of the acetylcholine, which is a neurotransmitter.
Hence, the answer is 'botulin or botox'.