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Sophie [7]
3 years ago
10

What is an important part of the endocrine system that acts as a chemical messenger?

Chemistry
1 answer:
olga_2 [115]3 years ago
5 0
Hormones ! hope i helped :)
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Grady is doing an experiment about the solubility of sugar. He puts 100 milliliters of water in each of three beakers. He leaves
olga nikolaevna [1]

Grady is doing an experiment about the solubility of sugar. He puts 100 milliliters of water in each of three beakers. He leaves the first beaker at room temperature, heats the second beaker to 60°C, and heats the third beaker until the water boils at 100°C. The variable Grady change on  purpose in the experiment is the temperature of water in each beaker .

Variables in the experiment is the any factor that can exist in different types or amount. There are three types of variables: independent variable , dependent variable , controlled variable. The independent variable is the variable you changed in the experiment. dependent variable is that changes because of independent variable. the controlled variable is the constant one.

Thus, Grady is doing an experiment about the solubility of sugar. He puts 100 milliliters of water in each of three beakers. He leaves the first beaker at room temperature, heats the second beaker to 60°C, and heats the third beaker until the water boils at 100°C. The variable Grady change on  purpose in the experiment is the temperature of water in each beaker .

To learn more about variables here

brainly.com/question/17344045

#SPJ1

8 0
1 year ago
Rahul and Sonia were playing with blocks and each of them made a train out of them. Both of them thought of measuring the length
dalvyx [7]

Answer:

See explanation

Explanation:

(a) The handspan is the distance between the tip of the thumb and tip of the little finger when the hand is fully stretched.

b) It is impossible for them to obtain an accurate result by the use of a handspan because it doesn't use any standard unit for measurement. It is entirely subjective and highly prone to human errors.

c) Anupam  is quite intelligent and active

3 0
3 years ago
Which statement describes how chemical formulas, such as H2O, represent compounds
grandymaker [24]

Answer:

Which statements describe how chemical formulas, such as H2O, represent compounds? ... They show the elements that make up a compound. They show the types of atoms that make up a molecule. They show the number of each type of atom in a molecule.

5 0
3 years ago
Read 2 more answers
A change from one state of matter to another involves the transfer of
Alja [10]
A heat because heat is the transfer of energy.
5 0
3 years ago
Read 2 more answers
Can any one please help me to answers this question i don't get it. thank in advance.
alex41 [277]
First, lets balance the reaction equation:
4Fe + 3O₂ → 2Fe₂O₃
It is visible form the equation that 4 moles of Fe require 3 moles of O₂
Molar ratio Fe/O₂ = 4/3 = 1.33
Molar ratio O₂/Fe = 3/4 = 0.75
Now, we check the molar ratios present:
Fe/O₂ = 6.8/8.9 = 0.76
O₂/Fe = 1.31

Thus, Iron is the limiting reactant because its ratio is not being fulfilled while the ratio of O₂ is surpassed.
8 0
3 years ago
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