A science class is checking to see how much life exists in local streams. One of the students records that 20 amoeba were found in the first sample of water. What is the student doing?

A couple planning their family are aware that through the past three generations on the husband's side a substantial number of stillbirths have occurred, and several malformed babies were born who died early in childhood.

Temperature affect time it takes for spilled water to dry up. and the dependent and independent variable

Keeping meat refrigerated or frozen includes what type of technique for maintaining the quality and freshness of meat?

Where does a plant get their carbon from

Which observation would be evidence for allopatric speciation among finch species of the Galápagos Islands? a. The birds are closely related to birds found on the mainland. b. Pairs of sister species can be found on adjacent islands. c.

What structural advantage is provided to stems that have theirvascular tissue arranged in a ring near the periphery of thestem?

What is the process of reproduction in prokaryotes cells

Cherrapunji, India, which is located in eastern India near the border of Bangladesh, is the wettest spot on Earth. Cherrapunji has an annual average precipitation of 1,065 cm.

The molecules that make the cell surface fuzzy, sticky, and sugar-rich are

Solar energy that has been absorbed by the hydrosphere is transported around the Earth by? A. currents and winds. B. radiation in the hydrosphere. C. reflection in the hydrosphere D. surface and deep ocean currents.