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shusha [124]
3 years ago
14

What is the function of the upper portion of the leaf?

Biology
1 answer:
tekilochka [14]3 years ago
7 0
Their function is to prevent water getting out and stopping
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Kiara pours measures the mass and volume of four mystery liquids and pours them into a beaker the liquids separate into differen
Keith_Richards [23]

Answer:

red will be the bottom layer

Explanation:

in order to find its density you have to do mass/volume.

Blue: 12/3 = 3  

Clear: 10/5= 2

Red: 15/3= 5

Yellow: 18/9 = 2

The one with the greates valua aka greatest density will be at the bottom layer/

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3 years ago
Bones provide both structure and protection for the body.<br> a. True<br> b. False
kumpel [21]
True... examples: the spine helps you stay up right which would help for structure and the skull help protect the brain which would be protection
4 0
3 years ago
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Define the components of blood and briefly describe their role.
Grace [21]
Tha main components in blood are the plasma, red blood cells, white blood cells, and blood platelets.

Plasma is like the main component that makes up most of the blood. It has a light yellow color and it carries many substances including nutrients, waste, hormones and more.

Red blood cells are the reason why blood is red in color. They have a hemoglobin inside them which can help carry oxygen for the tissues and organs. In order to maximize the oxygen carrying capacity, they don't have a nucleus.

White blood cells can be divided into phagocytes and lymphocytes. Their main function is to protect us from diseases. Phahocytes and engulf and digest bacteria, while lymphocytes can produce antibodies.

Blood platelets can cause blood clotting which can stop us from bleeding forever. They're not cells, but just fragments of cells. They also don't have nucleus since they're not complete cells.
8 0
3 years ago
What are the characteristic of solute plssss po​
valentina_108 [34]

Solute is the substance that dissolves

  • Solute is a minor component
  • Solvent is a major component
  • Solutions is a mixture where the solute is uniformly distributed in the solvent.
  • Solution  is homogeneous mixture that contains particles the size of a typical ion or small molecule.
  • The mass of the solute dissolved per unit volume of solvent is called Concentration
  • Solubility is The concentration of a saturated solution
  • Solutes lower the freezing point and raise the boiling point of a solvent.
  • Saturated Solution is a solution in which no more solid can be dissolved
  • Unsaturated Solution is solution in which more solid can be dissolved
  • Precipitate is a solid that crystallizes out of a saturated solution as it is cooled.

To know more about solute visit :

brainly.com/question/7932885

#SPJ9

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2 years ago
Quantum mechanics is the study of nature at a very small scale,even smaller than an atom.This kind of study faces many limitatio
harkovskaia [24]
It is best to create models
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