PLEASE HELP Which of the following makes it more difficult to solve a problem?
Group of answer choices

The problem contains a syllogism

The problem is deceptively simple

The problem involves basic concepts

The problem is ill-defined

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

What element is able to combine with itself and hydrogen to form large molecules ?

Brainliest ! which would require more force to move or slow down between a bowling ball and a soccer ball? explain why?