How could you use iron filings to tell which of two bar magnets is stronger?

Answers

Answer 1

Answer: Well, the most iron filling(s) to go on a magnet proves it to be the strongest.
I hope I helped! =D

Answer 2

Answer: See which one is attracted more to the metal filings.

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Why are fossils of clams more numerous than those if the worms or cnidarians ?

Answers

it is because of it's shell which is hardest of it's body

Picture List of Proteins Function of the Proteini need proteins such as milk i can use for this assignment plz help me brainstorm some ideas i need 3 proteins to use

here is an example on the bottom

Answers

You can include meat such as fish, beef, chicken, or of beans like kidney beans. Nuts count as a protein too.

You can use chicken , turkey, or ham

Which characteristic is common in old rivers?A. Lack of tributaries
B. Location near headwaters
C. Lack of meanders
D. A low stream gradient

Answers

i think i would say (D) A low stream gradient

What is a chemical property of oxygen

A.it is a gas at room temperature
B. it reacts to iron to form rust
C.it expands when heated
Dit combines to form O2 molecules

Answers

oh ok those are the better choices. well a physical reaction means something changed in the property itself. so we can take off B and C. a chemical reaction means the property of the item changed completely and stayed that way. so im going with D.

The answer is actually B, since rusting is an obvious chemical reaction which cannot be undone. A is just fact, C can be undone by cooling, and D can be undone by splitting the molecules apart. So the answer is B.

PLEASE HELP!! ASAP!! I WILL MARK YOU BRAINLIEST!! All life on Earth depends on _____ for survival.
a
producers
b
the sun's energy
c
eating other organisms
d
chemosynthesis

Answers

Answer:

The suns energy

Explanation:

The answer is B the suns energy

Check all the characteristics below that describe elements. one type of atom a pure substance more than one type of atom chemically combined elements

Answers

The characteristics that describe elements are:

One type of atom.

A pure substance.

What is an element?

A chemical element is called a substance that is made up of atoms of the same type whose nuclei show the same number of protons.

Characteristics of an element

It is always presented as atoms of the same and unique type and that, therefore, cannot be decomposed into simple substances using chemical reactions.

Each chemical element has different amounts of the isotopes that make it up.

Therefore, we can conclude that elements are atoms that have the same number of protons in their nucleus.

Learn more about characteristics of an element here: brainly.com/question/1600427

Answer:

The correct options are:

one type of atom
pure substance

Explanation:

An element can be described as a substance having the same number of protons in its nucleus. It cannot be broken down further in a chemical reaction. It is made up of one type of atom and is a pure substance. For example, the atomic number of oxygen is 8. Hence, the element, oxygen, has 8 protons.

In total, there have been 118 elements that have been discovered and places in the periodic table.

Other Questions

Which event is most likely to decrease the amount of sunlight that reaches Earth's surface?A) An ice age. B) An asteroid impact. C) A catastrophic flood. D) A prolonged drought.

Wind erosion occurs at a faster rate in deserts than in places with a thick layer of vegetation covering the ground. Why do you think that this is the case?

PLSSS DO THIS I WILL MARK BRAINLESS IF ITS RIGHT

What do scientists estimate is the approximate age of the planet earth? A. 660 million years B. 3.5 billion years C. 4.6 billion years D. 12.2 billion years