What is a scientific theory?

A law that is always true

A hypothesis about nature

An educated guess based on observations

An explanation of how the natural world works

The nurse is caring for a client who wishes to include more antioxidant and anti-inflammatory foods in the diet. which food will the nurse recommend

What researcher developed the theory of use or disuse, also called the theory of acquired characteristics? Darwin Lamarck Malthus

Release of CFCs and similar compounds are a possible cause of A destruction of ozone in the upper atmosphere B greenhouse gas build-up in the lower atmosphere C increase in atmospheric carbon dioxide concentration D acid rain in the northeast U. S.

In which species of animal does sebum eventually become lanolin?

A plants features such as flower color, are ___ characteristics that can be observed

Which process describes nitrogen fixation?

As the fruit develops, why do the petals, stamen, and sepals fall off?

List at least 5 diseases/disorders that have been attributed to older "dumps ". ap environmental science

All the genes of all the members of a particular population make up the population's? Phenotype Species Genotype Gene Pool

If an animal has 42 chromosomes in its normal, non-gamete or somatic cells, what term would be given to the gametes that have 21 chromosomes