Which of the following describes a species with the greatest fitness?The species that can reproduce beter than the others
The species that is faster than the others
The species that is stronger than the others
The species that is larger than the others

Answers

Answer 1

Answer:

Answer:

C is it!

Explanation:

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Viscosity is the tendency of a solid to melt to a liquid.

TRUE

FALSE

Answers

Answer:

False

Explanation:

The temperature at which solid changes into liquid is known as the melting point.

Energy is required for a solid to melt into a liquid.

However viscosity is known as friction in liquids. It is the force that opposes movements in liquid. Viscosity causes liquids to be sticky. It is measured as a force per unit area.

As such, melting is the change from solid to liquid and not viscosity.

The answer is thus false.

The statement about “Viscosity is the tendency of a solid to melt to a liquid” is false. It is melting not viscosity. Viscosity is the tendency of how the fluids flow.

a block of iron has the dimensions of 3.00 cm x 3.00 cm x 3.00 cm. it has a mass of 213 g. what is its density? a. 638 g/cm3 b. 6240 g/cm3 c. 0.0773 g/cm3 d. 7.89 g/cm3

Answers

Volume = 3 cm × 3cm × 3cm
= 27 cm ³

Mass = 213 g

Density = $(MASS)/(VOLUME)$

= $(213 g)/(27 cm ^(3) )$

= 7.89 g / cm³

Thus answer is D.

Which formula represents a molecular compound?
(1) Kr (3) N2O4
(2) LiOH (4) NaI

Answers

N2O4 is the only option from the list that represents a molecular compound, since compounds must contain at least two different atoms, although these can be from different groups.

Answer: Option (3) is the correct answer.

Explanation:

A molecular compound is a compound in which atoms used to share electrons and thus results in the formation of covalent bonds.

For example, $N_(2)O_(4)$ is a covalent compound and hence, it is a molecular compound.

Whereas LiOH and NaI are ionic compounds as their atoms has transferred electrons.

Therefore, we can conclude that out of the given options, $N_(2)O_(4)$ is the formula which represents a molecular compound.

What would happen if you didn't have chemical energy in your body

Answers

According to law of thermodynamics, energy can neither be created nor can be destroyed. It can be converted from one from one form to another.

Hence, the food that we eat is a source of energy. The chemical energy stored in food, is utilized for various function of body such as breathing, walking, talking, etc. Now, if you body does not have chemical energy, if will not be able to perform various task, which are essential for living.

Due to this, absence of chemical energy in the body, can will eventually lead to death.

If you body does not have chemical energy it will slowly shut down due to its metabolism not being able to intake more food and water. This will eventually lead to death.

Which statement describes the stability of the nuclei of potassium atoms

Answers

The potassium nuclei have been unstable and results in the spontaneous decay without any external force. Thus, option 3 is correct.

Potassium has been the metal of group 1 of the periodic table. It has been consisted of 19 protons and 20 neutrons in the nucleus.

Decay of potassium nuclei

The nuclei decay has been achieved when there has been loss of the protons in the nuclei, resulting in the radioactive isotopes.

The potassium nuclei have been unstable and results in the spontaneous decay without any external force. Thus, option 3 is correct.

Learn more about potassium nuclei, here:

brainly.com/question/1381934

Which statements?

In general though, the potassium atom has 19 protons, and has 1 valence electron in the 4s orbital. The nucleus of the atom contains 19 protons and (21 neutrons on average.) If we were too apply the laws regarding the band of stability then that ratio is very stable and it is very unlikely (less than 10^-21%) that the nucleus would ever go through any form of decay.

Which hydrocarbons are present in styrene?a) alkene
b) alkyne
c) none of the above?