anyone need help in science..ask anything!! (1 Viewer)

[Riot09]

i like science so fire away,all questions will be answered no matter how long and if i dont know something ill find out.

iv read A brief history in time and universe in a nutshell and seen many documentaries so nothing off limits.

 

[Reckoner]

Will Malthus Continue to Be Wrong?

 

[sammers]

Describe one way in which matal ores can be concentrated by natural processes.

 

[Riot09]

Will Malthus Continue to Be Wrong?
as in The urgent question is whether current standards of living can be sustained while improving the plight of those in need.

no,because it change involves sacrifice and for our society to make such a dramatic change or sacrifice their simply need to be another revolution.

1.if technologies such as nuclear fusion,more effiecient renewable-energies and a political system actually exists where they can actually make the right choice inhindered(right as in alturistic,im a socialist,centre-left so thats my bias) only then will a revolution will take place because we could not afford to.its ironic that my computer runs on electricity generated by fossil fuels.

 

[Riot09]

Metal ore's are produced naturally in a myriad of different ways,for example the sedimentary rock bauxite is formed and subsequently concentrated by extensive weathering of volcanic rocks.

 

[boxhunter91]

Assess the effectiveness of NaHCo3 as a neutralizing agent for industrial spills.

 

[ninetypercent]

I don't recall learning about these in Year 10, lol. I can't answer any of these

 

[Amogh]

Assess the effectiveness of NaHCo3 as a neutralizing agent for industrial spills.

Sodium bicarbonate on reacting with an acid/base (as its amphoteric) neutralises it to produce salt and water. Furthermore, as it is relatively innocuous in most situations, there is no harm in using excess sodium bicarbonate. Lastly, sodium bicarbonate powder may be used to smother a small fire.

This was mostly wikipedia, not me