<span>This reaction produces carbon dioxide. Platinum is used in the catalytic converter in some automobiles. The main objective of a catalyst is to act as a substance that speeds up a reaction. However, it is imperative that it does this without being consumed in the reaction.</span>
If theres an all of the above option then I'll pick that if not then, ships
Umm. False i guess I don’t really know
Answer: D. the hardening of liquid magma that leads to igneous rock
Explanation:
White gold is yellow gold that has had other alloys added to it to make it appear white. New polished white gold has a bright white metal color. Depending of the type of alloys used in the fabrication of white gold, white gold jewelry tends to have a faint yellowish tint with wear.