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3241004551 [841]
3 years ago
9

7th grade science !! I have to write a claim, evidence and reasoning

Chemistry
1 answer:
erastovalidia [21]3 years ago
3 0
Claim : If there were no decomposers there would be a high probability for the food chain to be off and unbalanced.
Evidence: the mushrooms are decomposers and if they were not there it would not give nutrients to the tree the tree won’t have nutrients and then the animals that eat the produce that the tree has would die or be very weak and by the time they are prey they won’t pass on nutrients to the carnivore by and the time they eaten. Then they would all get weak and they could die.
Reasoning: Therefore decomposers are very important in the Earth.
Hope this help you!!! ;) Science is fun
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List 3 elements that have similar properties or reactivity. Justify your answer with reasoning.
Rus_ich [418]

Answer:

Lithium, Potassium and Calcium

Explanation:

Because they are all in group one of the periodic table

7 0
3 years ago
Which is Earth's largest source of drinkable water?
Leviafan [203]
Depends on what you’re going for. i’d say aquifers. but you can drink from clean rivers
4 0
3 years ago
Read 2 more answers
when the following redoc reaction is balances (assume acidic solution), how many moles of water appear and on what side
PolarNik [594]

8 moles of water on the right side.

An oxidation-reduction or redox reaction is a reaction that involves the transfer of electrons between chemical items (the atoms, ions, or molecules involved in the reaction).

Redox reactions: the burning of fuels, the corrosion of metals, and even the processes of photosynthesis and cellular respiration involve oxidation and reduction.

Step 1:

MnO4- ----> Mn2+

2Cl- ------> Cl2

Step 2:

MnO4- --> Mn2+ + 4H2O

2Cl- -----> Cl2

Step 3:

8H+ + MnO4- ------> Mn2+ + 4H2O

2Cl- ----->Cl2

Step 4:

8H+ + MnO4- +5e- ------>Mn2+ + 4H2O

2Cl- ----> Cl2+ 2e-

Step 5:

16 H+ +2 MnO4- +10Cl- ----->2 Mn2+ + 8H2O+5Cl2

This is the balanced equation in an acidic medium.

That is 8, right side.

To know more about redox reaction follow the link:

https://brainly.in/question/9854479

#SPJ4

8 0
2 years ago
I NEED RIGHT NOW OR I GET AN F!!!!! HELP!!!!!
Oksi-84 [34.3K]

Answer:

boundary interactions: areas where plates move away from each other forming mid-ocean ridges or rift valleys.

divergent boundaries: this happens when 2 tectonic plates move away from each other. along these boundaries earthquakes and magma are common as they are rise from the mantle to the sruface making new oceanic crust.

convergent boundaries: this is an area on earth where 2 or more lithospheric plates collide. they will slide under one another creating a subduction.

transform boundaries:  transform boundary is a fault along a plate boundary where the motion is predominantly horizontal. It ends abruptly where it connects to another plate boundary, either another transform, a spreading ridge, or a subduction zone.

Explanation:

lithosperic means the solid outer part of the earth.

hope this helps and good luck!  :) <3

4 0
3 years ago
PLZ HELP I WILL REWARD BRAINLIEST IF U ANSWER CORRECTLY WITH A REASON WHY :)
Semmy [17]

Answer:

The answer is dipole-dipole forces.

Explanation:

The molecule is composed of Sulfur and Oxygen, which are both elements with high electronegativities. As a result, this is a covalent bond, as they are both nonmetals. Since Sulfur has a partially positive charge, and Oxygen has a partially negative charge, it appears that the substance is polar, meaning that there are different charges within the atom. Of the answer choices, Dipole-Dipole forces are the only ones that involve polar substances, and they different charges, especially since there is no hydrogen indicating a hydrogen bond, and London forces contain nonpolar substances with an overall charge of the molecule.

7 0
3 years ago
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