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Elenna [48]
3 years ago
12

What is a physical change?

Biology
2 answers:
artcher [175]3 years ago
8 0

Answer:

if you are referring to a physical change in a reaction, a physical change is a change that will affect the physical appearance of something without changing the composition (what it is made of)

Explanation:

examples of physical changes are things like changes in texture, change in state (water melting or boiling), change in shape (cutting a piece of paper), change in colour (as long as it is not due to a chemical reaction), change in temperature, etc. All of these changes will not change what the item is made of or what is in it. Some of these changes such as colour, state, temperature can also be caused by a chemical change.

maksim [4K]3 years ago
6 0

Answer:

When matter changes form, it's not chemical.

Explanation:

Something like melting of an ice cream. Shredding paper. Something that changes physically. Folding paper is another example.

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kakasveta [241]

Answer:

Reading graphs: The variable plotted on the x-axis is year while the two variables plotted on y-axis are both wolves and moose.

Interpreting variables: The population of moose rose from 800 to 1550 between 1965-1972 while the population of wolves rose from 24 to 43 between 1973-1976.

inferring: The change in population of moose might cause a change in wolves population as a result of the feeding pattern of wolves, perhaps the contest between them was affected by availability of another prey which allows the predator (wolves) to feed on another prey, hence increasing the population of moose.

Conclusion: The dip in population of moose between 1974 and 1981 could be attributed to voracious feeding pattern the predator (wolves) had on the prey (moose) which inturns allows the dip in population during the above mentioned years.

Predicting: If there is a disease infection in wolves, then there would be an increase in the population of moose the next year as a result of disruption in the predator-prey contest, hence; allows one to be more populated the following year.

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just olya [345]

The correct answer is option D. copper (Cu)

Malleability is the ability of metals to be hammered into sheets.

Metals are often required for different applications. The ability of metals to be hammered into sheets is called malleability.

Malleability of a metal is closely related to its density. The denser the metal, the less easily malleable it is.

Both copper and strontium are metals but copper is denser than strontium hence copper is less malleable than strontium.

brainly.com/question/723620

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