How did Cecilia Payne's interpretation of spectral lines change the way we understand the stars and what they are made of?

Members of which of the following groups have an internal skeleton arachnids insects sea stars centipedes

The table below gives some characteristics of element Y. Characteristics of element : Values Mass number 11 Number of neutrons in a single atom 6 Average atomic mass (grams/mole) What is the identity of element Y? C B Na S

Which formation stores groundwater? A. water table B. reservoir C. pond D. aquifer

You would you drop of a tower A:new born kitten B:new born puppy C:NEW BORN PANDA

The sun's energy heats Earth's surface unevenly, resulting in convection currents in the atmosphere. which of the following result from these convection currents?

What is the appropriate term for a group of all the individuals that can mate with each other living within a specified area?

What is the optimum ph of most enzymes in the body

A patient who is receiving an immune suppressant has been admitted to the unit. what would be a priority action by the nurse?

In Drosophila, successful mating is frequently dependent upon an elaborate courtship "dance" performed by the male. Over 200 species of these fruit flies occur on the Hawaiian Islands.

Write a sentence that explains how each pair of terms are related. 1. cystic fibrosis - mutation 2. biopsy - metastasis 3. carcinogen - melanoma 4. multifactorial disorder - heart disease 5. MRI scan - CAT scan