Which equation has water as a reactant in the chemical reaction?
(a.)na + h2o naoh + h2
(b.)na + cl nacl
(c.)h2 + o2 h2o
(d.)co2 + o2 + energy c6h12o6 + o2

Did you know that a blue wales tongue weighs more than an elephant?

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

Rarefaction is used for which of the following? a. creating a representative sample b. studying how disease impacts populations c. rediscovering species thought to be instinct d. determining which sea creatures live in an area