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iris [78.8K]
3 years ago
7

surfers put wax on their boards to reduce friction between the board and the water. how does reducing friction affect the speed

at which a surfboard moves?​
Biology
1 answer:
Olegator [25]3 years ago
8 0

Answer  

ESurfboard wax (also known as surfwax) is a bodyboard, or skimboard, to keep the surfer from slipping off the board when paddling out or riding a wave. It is also used to increase grip on the paddle of a dragon boat or surf board.

Explanation:

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How does a comparison of the embryos provide evidence of evolution
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Answer AND Explanation:

Embryos of different vertebrate groups are morphologically similar during the early stages of development. Such similarity suggests a common ancestry. The closer the resemblance between the early stages of different organisms, the closer their evolutionary relationship.

8 0
3 years ago
A cell biologist determines that diploid cells from a particular species of grasshopper contain 200 picograms of DNA per cell du
Pavel [41]

Answer:

The correct answer will be- 200

Explanation:

The cell cycle in eukaryotes mostly takes place in four phases: G₁, S, G₂ and M phase in sequence.

The DNA replication takes place during S phase which doubles the amount of DNA in a cell after which during M- phase the DNA divides into the daughter cell.

The amount of DNA present during G₂ phase is the 200 pg which will remain same until anaphase I as the segregation of chromosomes to the daughter cells takes place in the anaphase. Therefore, the amount of DNA observed after G₂ phase will remain 200 pg till metaphase I.

Thus, 200 is the correct answer.

3 0
3 years ago
For decades, people died from diseases we can now prevent through vaccination. Jenner is known for developing the first vaccine,
kobusy [5.1K]

I believe it is A. Polio

7 0
3 years ago
"which microorganism most commonly causes athlete's foot?"
iren [92.7K]
Athlete's foot (tinea pedis<span>) is a </span>fungal<span> infection of the skin of the foot. Most athlete's foot is caused by one of two types of fungus. Trichophyton </span>mentagrophytes<span> often causes toe web or vesicular (blisterlike) infections. </span>
3 0
3 years ago
Which type of light can humans perceive with the eye?
Natali [406]

Answer:

C. visible

Explanation:

Well, you can't see ultraviolet light. Nor can you exactly see gamma or infrafred light. Visible light seems like the more reasonable answer.

5 0
3 years ago
Read 2 more answers
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