I WILL GIVE 100 POINTS Describe types of unmanned space exploration technology.
· Orbiters

· Fly-bys

· Landers

· Rovers

· Describe Voyager 1 and what is was designed to explore

· Describe Cassini-Huygens and what is was designed to explore

· Describe Spirit/Opportunity/Curiosity and what is was designed to explore

· Describe the Hubble Telescope and what is was designed to explore

Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data

Cold case files recently began re-investigating an old murder case. the murder took place in the park; a young man, james, was hit over the head with a brick and killed. police suspected the jealous former boyfriend of james' wife, karen. whoever killed james may have washed their hands in a near-by bird bath as detectives found blood in the bird bath. since the murder took place before dna fingerprinting was available, the suspected killer, ronnie, went free. detectives are now reviewing the blood evidence using dna fingerprinting. based on the dna fingerprints of all possible suspects, who is james' killer?

What is the problem in this article? what solution does the article propose?