A scientist has completed several trials to see how a new drug affects adults.

Which step will best assess the validity of his experimental design and results?

What is the primary cause of the edema that accompanies kwashiorkor? a. deterioration of the digestive tract lining. b. synthesis of enzymes is reduced. c. albumin concentrations fall and fluid leaks into interstitial spaces. d.

Explain the process by which the land, atmosphere, and oceans of earth formed

Historically, artisanal breads were produced by capturing wild yeasts from the air. Prior to the development of modern yeast strains, the production of artisanal breads was long and laborious because many batches of dough ended up being discarded.

How have daisies adapted to there environment?

What has caused the greenhouse effect to become imbalanced? * O More plants on earth O A hole in the ozone O Burning more fossil fuels

Which of the following needs a host to reproduce? 1) all of the above 2) eukaryotic cell 3) none of the above 4) prokaryotic cell 5) virus

Suppose that two ancient types of plants, one that grows in the winter and one that grows in the summer, appear together in the fossil record for two periods in the geologic time scale.

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How are traits inherited by offspring?

In homeotic mutants: Group of answer choices one body structure is missing. one body structure has been changed into another. one body structure has been duplicated. one body structure has significantly increased in size. the organism is infertile.