Which of the following is the best example of a way human lifestyles affect environmental systems?
using aerosol sprays causes acid rain by increasing ozone (o3) in the atmosphere.
agriculture causes water pollution when fertilizers and pesticides flow into lakes and rivers.
burning fossil fuels causes air pollution by decreasing water vapor in the atmosphere.
using radioactive materials causes ground pollution when chlorofluorocarbons (cfcs) seep into the ground.
Answers: 1
Biology, 22.06.2019 02:30, dimpleschris101
Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only
Answers: 1
Biology, 22.06.2019 14:50, megamorph
Lactase is essential for digesting lactose in milk. this enzyme is specific for this sugar. why? molecules and active sites vary in size; only properly sized molecules can fit. there is a precise compatibility between the active site and the lactose molecule. specificity refers to the action of the enzyme, such as hydrolysis, and relatively few molecules can be hydrolyzed. reaction-specific enzymes assume a fit by folding around the most numerous substrate molecules.
Answers: 1
Biology, 22.06.2019 18:10, hfrench5130
Select all the offspring phenotypes that could be produced from a bbee x bbee cross (shown above). black fur, red eyes black fur, black eyes white fur, black eyes white fur, red eyes re la heller t est hulle elle l aila el answer : b & c b: black fur ,black eyes c: white fur , black eyes
Answers: 1
Which of the following is the best example of a way human lifestyles affect environmental systems? <...
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