<span>Exocrine acinar cells secrete several digestive enzymes, inlcuding amylase, lipase, and peptidases enzymes, which are only activated when they reach the duodenum. On the other hand, Epithicial cells, which reside in the pancreatic ducts, are the source of the bicarbonate and water secreted by the pancreas.</span>
<span>1 Chemicals can be toxic because they can harm us when they enter or contact the body. Exposure to a toxic substance such as gasoline can affect your health. Since drinking gasoline can cause burns, vomiting, diarrhea and, in very large amounts, drowsiness or death, it is toxic. Some chemicals are hazardous because of their physical properties: they can explode, burn or react easily with other chemicals. Since gasoline can burn and its vapors can explode, gasoline is also hazardous. A chemical can be toxic, or hazardous, or both.
</span>2 Non point source<span> water </span>pollution<span> is </span>difficult to control<span> because it comes from the everyday activities of many different people, such as fertilizing a lawn, using a pesticide, or constructing a road or building.</span>
Answer:
When conducting research, scientists use the scientific method to collect
measurable, empirical evidence in an experiment related to a hypothesis (often in
the form of an if/then statement), the results aiming to support or contradict a
theory.
Answer:
A sharks ecosystem should have a far and wide open waters and also should have salt water and no ordinary water. it should be around lots of fish so it has stuff to eat. last it needs to have other sharks to mate or keep the chain going.
Explanation:
The right answer is vitamin C—citric acid.
Vitamin C or ascorbic acid protects against cellular aging, is essential for the immune defenses and increases the assimilation of iron of plant origin.
Citrate is a biological molecule found in all living organisms because it is involved in the Krebs cycle (or citrate cycle) to produce energy.
