BIOLOGY HIGH SCHOOL

Which of these forces exist between earth and moon?gravitational force
electromagnetic force
weak nuclear force
strong nuclear force

Answers

Answer 1

Answer:

Answer:

The that exist between earth and moon is $1.97* 10^(20)\ N$

Explanation:

Gravitational force acts between earth and moon. It is given by :

$F=G(m_1m_2)/(r^2)$

Where

m₁ = mass of earth

m₂ = mass of moon

G = constant

r = distance between earth and moon

By putting the value of above parameters we ca calculated the value of gravitational force i.e.

$F=6.67* 10^(-11)* (5.97* 10^(24)\ kg* 7.34* 10^(22)\ kg)/((384400* 10^3\ m)^2)$

$F=1.97* 10^(20)\ N$

Hence, the force that exists between earth and moon is gravitational force and it is equal to $1.97* 10^(20)\ Newton$

Answer 2

Answer: Between Earth and Moon there is a gravitational force that exists.

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Overpopulation impacts the environment primarily bylimiting land available for crops.
destroying natural resources.
causing the removal of trees.
interfering with normal plant growth.

Answers

The correct answer is: impacts the environment primarily by destroying natural resources, since this includes the removal of trees along with other important things like drinking water. Unfortunately people try to get resources using harmful techniques despite the deep danger this means for the planet.

Answer:

Malthus

Explanation:

During cellular respiration, the bonds of food molecules are broken, so energy can be released to fuel other cellular processes. In order for this to occur, which of the following statements must be true?A.) The energy in the new compounds that are formed must be equal to the energy in the bonds of the food molecules.

B.) New compounds with lower-energy bonds must be formed when the high-energy bonds in food molecules are broken.

C.) New compounds with higher-energy bonds must be formed when the low-energy bonds in food molecules are broken.

D.) The new compounds that are formed must be more complex than the food molecules that were broken down.

Answers

During cellular respiration, the bonds of food molecules are broken to energy can be released to fuel other cellular processes. In order for this to occur, new compounds with lower-energy bonds must be formed when high-energy bonds in food molecules are broken.
This is due to the Law of Conservation of Energy.

Answer:

The correct answer is statement B.

Explanation:

The cellular procedures of respiration and photosynthesis involve the transformation of energy and matter. On the basis of the law of conservation of energy, energy can neither be formed nor destroyed. Thus, to attain excess energy in order to provide energy for the cellular procedures, the bonds produced in the new compounds must possess less energy in comparison to the bonds in the original food molecules.

Why is biomass a better alternative to coal?A. Biomass does not release carbon dioxide.
B. Biomass is not radioactive.
C. Biomass does not need to be burned.
D. Biomass can be regrown quickly.

Answers

Biomass is a good fuel alternative and has many advantages over the usage of coal. The most important is it is renewable and can be grown quickly. Option d is correct.

Biomass is an alternative fuel source. Biomass can be used to make biofuels and biogas. Coals are fossil fuel which means that they are formed from the fossilized remains mainly of trees and algae etc of the carboniferous period which was 286-360 mya. Which is why their presence on the earth is limited and they are soon bound to get exhausted.

These have lesser carbon dioxide emissions as compared to coal but they do have a carbon footprint. Additionally, while it is true that biomass can be used without being burnt through processes like anaerobic digestion and the resulting biogas/biofuel can be used to generate heat and electricity. This process can have a significant carbon footprint if not done properly.

Biomass can be used to generate biofuels that can be less polluting if utilized properly, However the fact that they are renewable and their production can be controlled is the most important.

Hence it can be concluded that biomass is better than coal because it can be grown quickly. Correct option is d.

Learn more about biomass here:

brainly.com/question/21525417

#SPJ6

Answer:

Biomass can be grown wuickly

Explanation:

What is an organism that consists of one cell?

Answers

The uncellular organisms as they include bacteria, protists and yeast.

Help please (the subject is science)

Answers

Answer:

Hi!

Epithelial cells (I believe)
Nervous System
Skeletal System

Explanation:

Epithelial tissue helps cover your "exterior sources". Therefore I'm pretty sure the first one is Epithelial cells.
The Nervous System has to do with sense of feeling or sense of touch mostly. The Nervous System controls everything you do! ex. touching a table uses the nervous system.
The Skeletal System helps your body move and supports a lot of different things in your body. All of those other options are not correct just because they do not support. Here is what I mean in the shortest way possible: