(need asap) which action best demonstrates the transformation of mechanical energy to heat energy? a) digesting a meal b) burning a candle c) rubbing hands vigorously d) melting a piece of ice in sunlight

Reactants undergo chemical reaction to form products. this chemical equation represents one such reaction. the coefficient for one of the reactants or products is incorrect. which part of the chemical equation is incorrect?

Recombinant dna is the merging of dna from unrelated organisms to create new genetic varieties is assembled in the lab from mononucleotides was part of the green revolution of the 1960s is pollination of one plant by another of the same species is cross-pollination of one plant by a different species

What are potential sources of error in marta’s experiment