False.
Mexico is ranked in the top 5 producers of silver (13% of world production), bismuth (20% of the world's total), celestite (7% of world output) and fluorspar (18% of world output); sixth in molybdenum; among the top 10 in barite, bentonite, arsenic, diatomite, graphite, cadmium, gypsum, mine lead, manganese ore, salt, sulfur, and mine zinc; and in the top 15 in mine copper, cement, gold, and crude steel (second largest producer in Latin America).
True.
It is true that the continent of Africa has a wealth of mineral resources. Whether this should be interpreted as a blessing from God, is open to debate.
That is not true. Mineral EXIST therefore they "are".
true
False.
Generally true.
True!
false a mineral can not scratch any mineral harder than itself
True.
true
True
False.
true
true
True.
False
false