Which variable is being manipulated ? brands a, b and c of hamburger meat artistic for the amount of fat in each each brand will be cooked for exactly 7 minutes the same pan will be used for each test the brands will each be drain for exactly 2 minutes by using a strainer in a measuring cup to determine the amount of fat that is drain

What is a coast of using technology to transport water? a.cities can be built in otherwise uninhabitable areas. b.crops can be irrigated and grown in new areas. c.floods can be averted in flood-prone areas. d.freshwater supplies can be depleted in an area.

Hydrilla (hydrilla verticillata) is an invasive aquatic plant and one of the most serious aquatic pests in florida. hydrilla has already been introduced to hundreds of bodies of water throughout florida, hydrilla is difficult to control because it grows rapidly and survives in many different water depths and conditions. hydrilla • describe how hydrilla affects native plant and animal species. include both a biotic and an abiotic limiting factor. • suggest one biotic and one abiotic recommendation that could slow the spread of hydrilla

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?