B. Steroid hormone
This is because most hormones are steroids, that send long distance signaling throughout your body.
Gametes develop in the multicellular haploid gametophyte (from the Greek phyton, “plant”). Fertilization gives rise to a multicellular diploid sporophyte, which produces haploid spores via meiosis. This type of life cycle is called a haplodiplontic life cycle
Natural gas
explanation:
solar power, coal, and petroleum are used to power things (i.e. produce electricity)
I think its the left one (sorry if im wrong)