What source of energy typically starts all food chains?

From which stage of water cycle does the well obtain water Precipitation Condensation Groundwater Evaporation

An element has an atomic mass number of 16 and an actomic number of 7

Students are reviewing the structure of DNA in preparation for a class test tomorrow. They demonstrate understanding of this information when they identify which of the following as a nitrogenous base found in DNA? Select all that apply.

Choose an organism that lives in an aquatic or terrestrial environment. Classify the organism as a producer, consumer or decomposer. Identify and discuss the biotic factors that affect the organism

In onions, the edible portion is a bulb that functions in storing plant food. In which tissue does food travel from the leaves to the bulb? xylem phloem tracheids

The prediction that alcohol slows reaction time is

If you shine a bright light directly in a person's eye, the pupil of the eye will reflexively constrict. using pavlov's terminology, the bright light would be termed the ___, and the pupil constricting would be termed the ___.

Which people do European landowners need to work on their colonial planatations after many of the native American died?

Which of these microscopes would let you see the hair-like projections on the surface of a cell better? transmission electron microscope scanning electron microscope?

What is the summary of this section of we need batteries