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tatuchka [14]
3 years ago
5

Jan popped up a graham cracker in the shallow bowl.She then set up an electric fan to blow on the graham cracker at three differ

ent speed what is Jan dependent variable in this experiment
Biology
1 answer:
elena-s [515]3 years ago
8 0
The electric fan’s speed
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What substances can get through the membrane? What type of transport is this?
Serga [27]

Answer:Small hydrophobic molecules and gases like oxygen and carbon dioxide cross membranes rapidly. Small polar molecules, such as water and ethanol, can also pass through membranes, but they do so more slowly.Semipermeable membranes, also termed selectively permeable membranes or partially permeable membranes, allow certain molecules or ions to pass through by diffusion.

Explanation: hope that helps

8 0
3 years ago
Please help asap brainliest<br> links will be reported
Kryger [21]

Answer:

In areas of Africa where malaria is prevalent the number of sickle cell cases remains consistent generation after generation. ---- support the hypothesis.

In Canada the incident of sickle cell anemia has been increasing in the population. -----  contradicts the hypothesis.

Explanation:

In areas of Africa where malaria is widespread the number of sickle cell cases remains consistent generation after generation while on the other hand, In Canada the incident of sickle cell anemia are lower in the population because of environmental condition is not good for increase in malarial disease. In Africa, the environment is suitable for the mosquitoes that causes malaria so there is high increase of sickle cell anemia in the population.

5 0
2 years ago
Which of the following nutrients are not organic molecules? carbohydrates, lipids, minerals
Gnom [1K]
Minerals are not organic.

please vote my answer brainliest.
8 0
3 years ago
Recently, silver has been considered in new applications for microbial control, such as impregnating surgical dressings and infu
Rom4ik [11]

Answer: Oligodynamic and unaffected by antimicrobial resistance

Explanation:

Silver is one of the most affected effective antimicrobial which is so effective that the microbes die when being exposed to the silver.

It is used in case of wound dressing, and it is used to coat medical devices . It is used as an external application such as on the skin and while dressing.

The oligodynamic action of the metal is to block the free carbonyl and sufhydryl group present in the organism.

Even in the small concentration it can be used to kill the microbes.

5 0
4 years ago
A hip replacement was not performed properly, and the right hip is not aligned to the left hip by just 1 cm. What would be the e
seropon [69]

Answer:

It would be painful at it's initial stages

Explanation:

The improper placement of the right hip is going to cause an imbalance in walking, standing and most especially while climbing the stairs. This condition can be corrected by using a footwear with a higher sole on the right leg

3 0
3 years ago
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