Which of the following systems will produce the best resolution?

a) a single radio telescope with a 100m dish

b) a 25m radio telescope separated by 200 m

c) a 50 m radio telescope separated by 200 m

d) a 25m radio telescope separated by 380m

How does Keplers third law compare the periods and orbital radii of two planets with a solar system? -the square of the ratio of the periods equals the cube of the ratio of the radii -the square of the ratio of the periods equals the ration of the

Which of the following pathways represents the most probable flow of nitrogen through an ecosystem? a.) animals → bacteria → air → plants → bacteria → animals b.) air → bacteria → plants → animals → bacteria → air c.

Which type of change was seen in the ecosystem around mount st. helens after it erupted?

Match these items. 1. asexual reproduction in which the parent cell divides in two pathogen 2. the ability of a virus to cause disease host 3. an organism or substance that causes disease budding 4. sexual reproduction in some protozoans lysis 5.

On a pedigree, what would you do with an individual that didn't say if they have the trait or not. Would you still include it in the pedigree and if you would, would you do something to it?

Poliomyelitis is caused by a virus that spreads easily in human populations. most people with polio infections show no symptoms of disease.

What is the probability that the first offspring from the cross listed below will show the dominant phenotype for all loci? (type as a decimal and round to 5 decimal places) a. AA bb b. Dd ee x c. Aa d. BB dd e. Ee

Student A told Student B that his ears are the most lateral structures on his head. Student B corrected Student A and said that his ears are actually bilateral structures. Which student is correct, and why

These are harmful greenhouse gases that can destroy good ozone and were once found in hairsprays, refrigerators, and air conditioners. Question 4 options: chloroflorocarbons carbon dioxide ozone methane

What can be done to improve soil fertility? A adding fertilizers to the soil B planting legumes C leaving crops unplanted for a season D all of these