Which statement best defines a universal law

Answers

Answer 1

Answer: The law of attraction in physics Newton's gravitational pull means to lie close to each other. In the field of physics of each object with mass m1 always have attractive forces with another object (with mass m2). For example, a particle with other particles will always mutual attraction. Examples put forward by Sir Isaac Newton in the field of classicalmechanics that anything on the atmosphere will be pulled by the earth,which was then known as the phenomenon of falling objects.

Attractive force of gravity is expressed by Isaac Newton viaWriting in the journal Philosophiæ Naturalis Principia Mathematica onJuly 5, 1687 in the form of the following formula:

    F = G \ frac {M_1 m_2} {r ^ 2},

Where:

    F is the force of gravity between the two masses,
    G is the gravitational konstante,
    m1 is the mass of the first object
    m2 is the mass of the object, and
    r is the distance between the two masses.

Thistheory is then developed further that any celestial body will be mutualattraction, and this could explain why the earth should revolve aroundthe sun to offset the attractive force of gravity of the earth-sun. Byusing the gravitational pull of this phenomenon as well, meteors closerto the Earth in its journey in space will be attracted fall to earth.

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1. The reaction below describes cellular respiration. Which compounds are the reactants and which are theproducts? (10 points)
C6 H12 O6 + 6 O2 + 6 CO2 + 6 H2O

Answers

Answer:

C₆H₁₂O₆ and O₂ are reactant.

CO₂ and H₂O are products.

C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O + ATP

Explanation:

There are two types of respiration:

1. Aerobic respiration

2. Anaerobic respiration

Aerobic respiration

It is the breakdown of glucose molecule in the presence of oxygen to yield large amount of energy. Water and carbon dioxide are also produced as a byproduct.

Glucose + oxygen → carbon dioxide + water + 38ATP

Anaerobic Respiration

It is the breakdown of glucose molecule in the absence of oxygen and produce small amount of energy. Alcohol or lactic acid and carbon dioxide are also produced as byproducts.

Glucose→ lactic acid/alcohol + 2ATP + carbon dioxide

This process use respiratory electron transport chain as electron acceptor instead of oxygen. It is mostly occur in prokaryotes. Its main advantage is that it produce energy (ATP) very quickly as compared to aerobic respiration.

Steps involve in anaerobic respiration are:

Glycolysis

Glycolysis is the first step of both aerobic and anaerobic respiration. It involve the breakdown of one glucose molecule into pyruvate and 2ATP.

Fermentation

The second step of anaerobic respiration is fermentation. It involve the fermentation of pyruvate into lactic acid or alcohol depending upon the organism in which it is taking place. There is no ATP produced, however carbon dioxide is released in this step.

What are 3 physical properties of aluminum foil

Answers

Solid, ductile (can conduct heat), malleable (can be shaped differently).

List the ways in which tadpole and frogs differ from each other?

Answers

Body Structure
A tadpole starts out as a body mass with an elongated tail. As metamorphosis takes effect, it begins sprouting legs and arms and grows small teeth that allow it to eat algae and small bugs. The body elongates, and the tail shrinks. The main difference, however, in the body structure of a tadpole is that it has gills. Gills allow the tadpole to breathe underwater. This is important because it does not have legs and arms yet, or the muscular structure to support itself on land.

Frogs have a strong muscular structure that allows them to be mobile both on land and in the water. Their hind legs are long and powerful, and their feet are webbed for greater swimming efficiency. Most importantly, mature frogs breathe through lungs instead of gills. Mature frogs can no longer breathe under water.

Movement
Tadpoles have one way of moving: swimming. Tadpoles will stay in the water until they evolve into frogs. Young tadpoles are not very proficient swimmers and attach themselves to foliage until they are more developed. As they mature, the tadpoles begin to learn to swim by moving their tails back and forth.

Frogs, on the other hand, can both swim and hop. The difference between a frog swimming and a tadpole swimming is the means of propulsion. Tadpoles use their tails, but frogs have no tails. Frogs use their hind legs and propel themselves forward in a kicking motion. On land, frogs can move by hopping around, something that tadpoles are not capable of.

Tadpoles are developing into being frogs. They have yet to develop hind legs and have a tail.

What are cathode rays made of

Answers

Answer:

electrons

Explanation:

they are composed of negatively charged particles also known as electrons

How is an area's topography determined

Answers

an areas topography is determined by its landforms like rivers or mountains

Topography influences the wind patterns and the transfer of energy in an area.

what is the volume of 24.0 g of oxygen gas at stp? i need to show work and i just cant get it. please help?

Answers

Molar mass O₂ = 16 * 2 = 32.0 g/mol

1 mol -------- 32.0 g
? mol -------- 24.0 g

mol = 24.0 * 1 / 32.0

= 0.75 moles

1 mol ------- 22.4 L ( at STP )
0.75 moles --- ?

v = 0.75 * 22.4 / 1

v = 16.8 L

hope this helps!

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