following the laws of Convervation of matter, 10 grams of iron combined with 5 grams of sulfur will yield grams of iron sulfide

15

Explanation:

Since the law of conservation of mass applies to all the chemical reactions this will also end in 10+5 equalling 15 grams

the answer is a) a shiprock was formed by igneous process

some fungi obtain their nutrients from a living host (plant or animal) and are called most biotrophic fungi have fairly narrow host ranges—they are specialized on a limited called rhizomorphs that allow the fungus to grow from one tree to another. ascospores are formed inside a sac-like structure called an ascus. so your answer is a