I think it's True.. ((:
http://www.chemguide.co.uk/physical/basicrates/catalyst.html
That might help ^
Answer:
I'm pretty sure its either B or E. Depends on if you need a definition or example I think
It is asking for one trait or characteristic that can be seen visibly and environmental traits are characteristics caused by your geographic location for example African people have more melanin in their skin because they live closer to the equator and it protects them from getting sun burnt.
Answer:
The deeper you go into the planet, the hotter it gets. Everything scientists use will eventually melt.
Explanation:
