In a heterogeneous mixture, the ingredient substances are

a. sparse in some areas and concentrated in other areas
b. placed in a uniform way throughout
c. mixed equally throughout the system

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Select the situation bellow that would produce a total displacement of zero. a. a trip to the moon and then to mars b. a horse galloping from one end of a field to another c. the criss-crossing path of a bug as it flies from flower to flower d. a round-trip ride to school and back

Dan made the table shown to describe two different relationships between animals. organism interactions relationship a relationship b one organism lives inside the organism it feeds off no organism is harmed which of the following statements is most likely correct?