Helen is testing to see if substance ar soluble or insoluble she puts 2 different substance in a jug of water and stirred them up substance 1 this made the water cloudy but the water eventually becomes clear substance 2 the substance does not change its shape in the water and floats at the top which statement is true

Match each description to the appropriate biome. tropical savanna desert tropical rain forest taiga tundra has sparse vegetation and very cold temperatures located near the equator and contains trees that form dense canopy layers is very hot and dry, and has plants that need little water has cold winters, heavy snowfall and is dominated by conifers has warm temperatures and is dominated by grasses

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

Radiometric dating is used to tell the absolute age of materials by studying the decay rate of radioactive isotopes. the decay rates of isotopes are constant and are expressed as .