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Ghella [55]
3 years ago
8

The word “cumulative” means that something builds on itself. Which example best shows how scientific knowledge is cumulative?

Biology
1 answer:
adell [148]3 years ago
5 0

Answer:

B

Explanation:

Cumulative means that someone came up with an idea first and someone later built an idea off of that.  Kepler basing his laws off of Newton's laws is the only option that uses cumulative knowledge.  Everything else is either completely independent or working together neither of which is cumulative.

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Please help fast!
Harman [31]

The calcium present in the milk acts as a fertilizer, for the growth of pumpkin size.

Explanation:

Scientific answer: Milk contains nutrients, minerals mainly calcium which are good for the growth of the plant as a fertilizer.

Milk gets readily absorbed by the roots due to the solubility of nutrients in milk.

The root hairs of the plant transport the calcium to the other parts like stem.

This will only help when all other factors of plant growth are present as sunlight, water other than fertilizer.

Non-scientific question:

The Hypothesis here is those pumpkin plant fed with milk are bigger on size.

Also injecting stems with milk would cause no good.

Pumpkin plants fed with milk and some plants fed with water are compared, we get the result that giant pumpkins are one that are fed with milk. This is  statistical analysis.

8 0
3 years ago
1.) A person walks 12.5 km in 1.9 h. What is the person's<br> average velocity in km/h and m/s?
Artemon [7]

Answer:

1. 6.56 km/hr

2. 1.83 m/s

Explanation:

The average velocity/speed can be calculated using the formula;

Average speed/velocity = distance/time

According to the information provided in the question, distance = 12.5km, time = 1.9h

Average velocity in km/hr = 12.5/1.9

= 6.578

= 6.56km/hr

However, in order to calculate the average speed in m/s, we have to convert distance in km to m, and time in hour to seconds.

1km = 1000m

12.5km = 12.5 × 1000

= 12500m

1 hour = 3600seconds

1.9hours = 1.9 × 3600

= 6840seconds

Average velocity = 12500/6840

= 1.827

= 1.83m/s

7 0
3 years ago
What is the process in which species evolve in response to changes in each other?
lara [203]
I believe it is behavioural isolation. When there are changes within a certain species, e.g. new birdcalls are formed in certain individuals in a species, "traditional" birds may not like such mating calls and only choose to mate with the more common birdcalls from majority of the birds. There are also some birds that may like the new birdcalls, and choose to mate with birds with those birdcalls. They become genetically isolated as they continue such behavior. Eventually, through genetic drift and other mutations, different species form from a single specie.

Hope this helps! :)
5 0
3 years ago
Diego hypothesizes that the Earth wobbles on its axis in a pattern that is repeated every 20,000 years.
kipiarov [429]

THE ANSWER IS: <u><em>Make a model</em></u>

Different scientific questions and hypotheses require different types of scientific investigations. Some questions can be answered through controlled experiments. Other questions can be answered through collecting specimens, building models, and/or making observations.

For example, questions about events that occur over thousands of years are best studied through models.

8 0
3 years ago
Density = Mass divided by Volume. What is the density of a block of wood that has a mass of 30 grams and a volume of 10 cubic ce
Darina [25.2K]

Answer:

the density is 3.

Explanation:

Hope this helps:) if it does plz mark me as brainliest

7 0
3 years ago
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