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Supernovas. First generation stars only had Hydrogen to convert into Helium. There were no other elements until the first supernovas and second round of star making occurred.

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What is the difference between a 1st- 2nd- and 3rd-class lever?

The main difference lies in the position of the effort, load, and fulcrum in relation to each other. In a first-class lever, the fulcrum is between the effort and the load. In a second-class lever, the load is between the fulcrum and the effort. In a third-class lever, the effort is between the fulcrum and the load.


What 3 factors determine the amount of heat energy that can be transferred from one object to another?

1st. how hot is the heat source 2nd.the distance between the object and the heat source 3rd.whether if the object is a good conductor of heat (tht's not the answer. u wanted i guess)


Are knife is a 1st class lever?

No, a knife is not a 1st class lever. A 1st class lever is a system where the fulcrum is positioned between the effort and the load. In the case of a knife, it typically functions more like a 3rd class lever where the effort is between the fulcrum and the load, such as when cutting through food.


What is the fulcrum between effort and resistance?

a 1st class lever there are 3 types of levers, 1st 2nd and 3rd class. 1st: fulcrum between effort and resistance 2nd:resistance between fulcrum and effort 3rd: effort between fulcrum and resistance Fulcrum = a pivot point on a lever. Effort = force applied on lever Resistance = load 1st example:see-saw/scissors 2nd example:wheelbarrow/car door 3rd example:someone raking/ hockey stick being usued


Where are Bronchovesicular sounds located?

Bronchovesicular sounds are typically heard over the upper anterior chest and between the scapulae. They have characteristics of both bronchial and vesicular sounds, with moderate pitch and intensity. These sounds are usually heard during the early part of the respiratory cycle.

Related Questions

What is the difference from the iPod third generation and the first generation iPod?

The difference between the 1st and 3rd generation iPod is slightly different. the cases will still work, the difference between the two generations is that the 3rd generation is slightly slimmer than the 1st generation.


What is the difference between an iTouch 8g 1st generation and an iTouch 8g second generation?

Well, the 2nd generation version is thinner, and that's about it!


Is there a difference between a 1st generation iPod Touch and a 3rd generation iPod Touch?

A lot slowerBack is differentDoes not support some appsNot as sexy


What is the difference between the iPod Touch 1st and second generation?

well the 2nd generation has built in speakers, youtube, access to email, and a bunch of other crap.


What is the difference between and iPod Touch first and second generation?

Well, mainly its just an updated version and 1st generation doesn't have built-in speakers like the 2nd does.


What is the difference between the first generation ipod touch and the third generation ipod touch?

There are certain games that you cant get on the ipod 1st generation also you you cant update ipod 1st gen with the new softwares but with the 3rd gen you can carry on updating it.


Ipod touch 1st and 2nd generation difference?

the second generation is thinner and has better software


Difference between first generation itouch and second generation itouch?

The 1st generation has a box shaped outershell while the 2nd generation has a more comfortable curved grip. The biggest difference is that the 2nd generation has external speakers that can be adjusted with the external volume control. The first generation does not. There are also minor changes like better graphics and a wider variety of apps.


What is the diffrent between ipod touch second gen and 3 gen?

Well... the difference between the 1st generation iPod Touch and the 3rd generation iPod Touch is SLIGHTLY different. The cases will STILL WORK!!! (you are relieved :) ) The difference between the two generations is that the 3rd generation is slightly slimmer that the 1st. The thing is the cases made for the 1st generations might me a little big... (by a few centimeters!)


What is the difference between a 1st generation Ipod Touch and a 2nd generation Ipod Touch?

The new ipod has a sleeker design than the first and has an internal speaker....with supposedly faster internet and better sound quality...


What is the difference between an ipod touch fourth generation and an ipod touch 1st generation?

there is BIG difference. the 4th generation has smaller pixels, built in speaker, built in mic, its faster, it has facetime-( a web cam camera on the front), a HD video camera on the back, for video and pictures. it aslo is way more organized, and nice, and it has airplane mode.


Is our sun a 1st generation star?

Our Sun is a population I star, that does not mean it is first generation - that title is held by population III stars. Our Sun is a 3rd (maybe 4th) generation star. See related question.