Blue－greenalgaegrowabundantlyinsaltmarshes.
A、primarilyAll living organisms, regardless of their unique identity, have certain biological, chemical, and physical characteristics in common.
AlthoughtheCarbon14methodofdatingoldobjectsisnotfoolproof,itisthebestmethodavailableatpresent
Oneofthegreatestbreakthroughsforprofessionalwomencamein1973whenthefieldofbankingopenedupforthem.
Someseaurchins海胆havevenomous(toxin)spines
Despite the proliferation of other faster modes of transportation, the railroads remain the largest carriers of intercity freight in the United States.
