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Svetradugi [14.3K]
2 years ago
11

Choose all the answers that apply.

Chemistry
1 answer:
Minchanka [31]2 years ago
7 0

Answer:

All of the above. The CV system transports blood and plasma the do all 4.

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Draw a diagram (develop a model) that shows what happens when warm water mixes with cold water in the ocean. Use your model to e
Leokris [45]

Ocean currents determine the various directions of wind movement.

<h3>What is ocean current?</h3>

Ocean currents are caused by differences in density as well as the temperature of the moving winds across the ocean. In the ocean, warm water is found at the top while cooler water occurs far below.

Warm ocean currents originate near the equator and move towards the poles. The ocean currents control the direction of winds in an area.

Learn more about ocean currents: brainly.com/question/20823678

7 0
2 years ago
How many molecules of CO2 are in 8.6 mol of CO2?
Anastasy [175]

Answer: You’d have to convert from mol to molecule.

Explanation: Like this:

8 0
2 years ago
How can there be more than 1000 different atoms when there are only about 100 different elements?
LekaFEV [45]
Actually, there are only about 100 atoms that have been yet discovered. But each element has many different kinds of atom. For instance, carbon. Do you know carbon has more than 30 or 50 different types of atoms? Well, how? There are isotopes. Don't think that there is only one carbon atom which has 6 electrons and 6 protons and 6 neutrons. There are more. C-13 has 6 electrons and 6 protons and 7 neutrons. While, C-14 has 6 electrons and 6 protons and 8 neutrons. I just showed you three stable isotopes of carbon(element). But, what is really an isotope?? Did you notice that all of these atoms had the same number of protons and electron but different numbers of neutrons? This is really an isotope. Well, if an atom takes a few more electrons or gives off a few electrons, it still stays the same element/ atom type. Just like that an element can have atoms of different neutron number. It may be less or more. It doesn't affect the atom much: just makes an isotope. But it does affect the atomic mass number or radioactivity of an atom. So, an element can have many different forms of isotopes of its atoms. In this way, being only 100 atoms, there can 1000 atoms or (more than that!). 

To make it more clear-

Definition of ISOTOPE: <span>any of two or more forms of a </span>chemical<span> element, having the same number of protons and electrons in the nucleus, or the same atomic number, but having different numbers of neutrons</span>

HOPE YOU UNDERSTOOD THE MATTER:-))


8 0
3 years ago
Read 2 more answers
Which bond is least polar <br> N-O<br><br> S-O<br><br> H-O<br><br> C-O
Sphinxa [80]

Answer:

Her Eid per Ruth Jααte Hαin wo Humse,

αb bαtαo Hum Eid Mαnαye yα unko.

ہر عید پر روٹھ جاتے ہیں وہ ہم سے

اب بتاؤ ہم عید منائے یا ان کو

ik ishq ka gam aafat aur us pe ye dil aafat

ya gam na diya hota ya dil na diya hota

bas ek jhijhak hai haal-e-dil sunaane mein,

ki tera bhi jikr aaega mere is phasaane mein.

kya kahoon kis tarah se jita hoon

gam ko khaata hoon aansoo pita hoon

8 0
3 years ago
Where do I find my questions that were answered??
balandron [24]

Answer: You go to the notification bell at the top right

Explanation:

5 0
2 years ago
Read 2 more answers
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