1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
andrey2020 [161]
3 years ago
14

Cystic fibrosis affects about 200,000 people in the united states. a. True b. False

Biology
1 answer:
Lorico [155]3 years ago
5 0
Cystic fibrosis affects more than 200,000 people in the United States so false.
You might be interested in
Knowing the epidemiology and causative agent of Legionaries disease what questions would you ask of the victims or of their surv
ioda

Answer:

Answered below

Explanation:

Legionnaires disease is a type of lung inflammatory disease or pneumonia, which is caused by infection from the bacteria Legionella bacterium.

Legionella bacterium can be spread by inhalation from water or soil. People with weakened immune systems are most susceptible as are smokers. Untreated legionnaires disease can progress to a fatality.

Some of the questions to ask of a victim or of surviving relatives include;

1) Any visits to swimming pools?

2) Source of drinking water?

3)Any visits to fountains?

4) Contacts with victims and their personal belongings?

5)Is any relative or victim immunocompromised? Do they have diseases that might lower their immune response?

6) Are they smokers?

8 0
3 years ago
What causes an ecosystem to move from a primary successional stage towards a relatively-stable mature ecosystem?
Gnoma [55]

Answer:

The correct answer is "secondary succession, an ecological succession step where an area previously occupied by living beings is disrupted".

Explanation:

In ecological succession, an ecosystem changes and develops through a series of steps. The first step, is the primary successional stage where rocks or other sedimentary structures are colonized by microorganisms. The second step, where the ecosystems changes towards a relatively-stable mature stage, occurs when an area previously occupied by living beings is disrupted. This step is named secondary succession, and the most clear example of this phenomena occurs when wildfire clears oak and hickory forests.

8 0
3 years ago
Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response. Two neurons
Free_Kalibri [48]

The question is incomplete. The complete question is as follows:

Select the correct answer from each drop-down menu.

Neurons transmit signals to the central nervous system. The brain processes this information to initiate a response. Two neurons communicate with each other through the ( axon , dendrite, synapse) . The ( cerebrospinal cord, glial cell, neurotransmitter) is released at the site to initiate action potential and carry the signal through the body.

Answer:

synapse

neurotransmitter

Explanation:

Neurons are the basic units for the transmission of signals to the central nervous system. The two neurons are connected through the syanpse. Synapse is the space or junction between two nerve cells, or neurons.

The neuron receives signals through dendrites and two neurons  communicate with each other through a chemical called neurotransmitter, which is released at the end of a nerve fibre and carry the signal through the body.

Hence, the correct answers are synapse and neurotransmitter.

6 0
3 years ago
Read 2 more answers
What happens when a stationary front passes?
weqwewe [10]

Answer:

_________

Explanation:

Because a stationary front marks the boundary between two air masses, there are often differences in air temperature and wind on opposite sides of it. The weather is often cloudy along a stationary front, and rain or snow often falls, especially if the front is in an area of low atmospheric pressure.

7 0
3 years ago
Mrs. Jorgensen keeps a flock of chickens in her back yard. One of the roosters is the result of selective breeding by Mrs. Jorge
elena-14-01-66 [18.8K]

Answer:

Ostrich nevermind dont put  that

Explanation:

5 0
3 years ago
Other questions:
  • Which type of protein makes up connective tissue?​
    14·2 answers
  • Fermentation supplies ....blank..... ATP molecules beyond that obtained by glycolysis
    9·1 answer
  • What is the function of the valves in veins in the legs?
    11·2 answers
  • During meiosis, homologous chrmosomes [do divide/do not divide] to produce [diploid/haploid] cells
    15·1 answer
  • In what order and through what organs does food travel through the digestive system?
    15·2 answers
  • Which statement correctly describes the diagram
    10·2 answers
  • The most powerful flexor of the forearm at the elbow is the
    11·1 answer
  • What is a population's age structure? give an example
    15·1 answer
  • Can anyone compare and contrast human body systems and elephant body systems? I need 2-3 for comparing and 2-3 sentences for con
    7·1 answer
  • in an ecosystem a sudden decrease in the number of bacteria in the soil would mostly likely result in
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!