Answer:
Juan sent 34 text messages in a month
Explanation:
You have to create an equation for your problem!
t = text messages
The equation below represents the charge for Juan's cell phone usage
35 + 0.50t =$
Substitute 52 for "$" since that is the amount of the bill sent to Juan for a particular month.
Solve!
35 + 0.50t = 52 ---- subtract 35 on both sides
0.50t = 17 ----divide 0.50 on both sides
t =34
Answer:
keystone species
Explanation:
Keystone species are species that are very critical to the balance and existence of an ecosystem. They are important species that play a major role in determining the overall diversity in a particular ecosystem. The presence or the removal of a keystone species from an ecosystem would certainly have an effect on the existence of other species in that particular ecosystem.
For example, the gray wolf in the Yellowstone ecosystem can be regarded as a keystone species, as their removal brought about an avast and drastic change to the ecosystem of the park. The gray wolf's predatory activities is said to be fundamental and important in maintaining the balance of the ecosystem of the park and also maintaining its overall species diversity.
Answer:
After passing through the pharynx, the NG tube will pass through the esophagus, a long muscular passageway to the stomach.
Explanation:
Nasogastric intubation is a medical procedure wherein a plastic tube that is so thin is inserted into the nose, to the esophagus and into the stomach. This is done to help the patient eat food and medicine if they are unable to swallow or eat. NG tubes can also retrieve stomach content in case of food poisoning.
The vacuole holds large amounts of water or food. to store water and food during a drought or winter
The answer is peroxisomes.
<span>Cells that specialize in breaking down harmful by-products of metabolism need to have a lot of peroxisomes.
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Peroxisomes are <span>small organelles that contain enzymes involved metabolic reactions. They breakdown </span><span>substrates like uric acid, amino acids, and fatty acids.</span>