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maw [93]
3 years ago
5

PLEASE HELP WILL MARK BRAINLIEST

Chemistry
2 answers:
Lelechka [254]3 years ago
7 0

Answer:

The answer is

Explanation:

Definitions

Observation: is when something catches our attention

Prediction: is a statement about a future event, based upon experience and knowledge

Inference: is a conclusion based on evidence and reasoning.

Hypothesis: is a proposed explanation for a fenomenon

Case I:

It isn't an observation

It isn't a prediction because it happened not will happen

I think is an inference

It isn't a hypothesis, a hypothesis has an specific structure If ... then ...

Case II

I think is a prediction, something that will happen

It isn't an observation he did more than that

It isn't an  inference

Hypothesis has an structure.

MAXImum [283]3 years ago
4 0

Answer:

1 is b and 2 is d

Explanation:

because you do not know that the cat had done that you was just thinking it was the cat

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Which of the following describes ice changing the Earth's surface by erosion?
natita [175]

Answer:

I believe it is D, Heavy ice presses on sediment causing the formation of sedimentary rock

Explanation:

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6 0
4 years ago
I WILL GIVE THE BRAINLIEST
lubasha [3.4K]

Ans 1. Both

Ans 2. Once inside plants, carbon moves through food chains, where organisms become nutrients including herbivores, carnivores and ultimately, decomposers. Once buried in the soil, carbon can be converted into fossil fuels over long periods of time and then also reenter the atmosphere by combustion. The Law of Conservation of Matter states that matter cannot be created or destroyed. The carbon cycle is an example of the Law

Ans 3. Most of the chemical energy needed for life is stored in organic compounds as bonds between carbon atoms and other atoms. The law of conservation of energy states that energy can not be created or destroyed. Thus, just like matter energy is also conserved in the process.

Hope it helps

3 0
4 years ago
PLEASE HELP!! WILL MARK BRAINLIEST AND THANK YOU!!!
Pepsi [2]

Answer:8

Everything after the decimal place is a significant figure here

5 0
4 years ago
Calculate the gravitional force in between two object of mass 25kg and 20kg if distance between them is 5m?
astraxan [27]

Answer:

Explanation:The equation for this is F = -GmM/R^2 where the minus sign says the force is attractive m is 10 kg, M is 20 kg and R is 5 meters. If you crunch the numbers you get an answer of:

7 0
3 years ago
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