What are punnett squares used for? a. determining the dna sequence of a given gene b. testing for the presence of the recessive allele c. predicting the result of genetic crosses between organisms of known genotypes d. identifying the gene locus where allelic variations are possible e. more than one of the above?

The number of living organisms in a particular area is

(select all the correct choose each statement that is scientific. - the opinions of randomly selected participants in a survey prove the idea that global temperatures are not increasing on earth. - the universe's average temperature and rate of expansion support the idea that it began as one super-dense and hot mass 13.8 billion years ago. - ocean tides are caused by the uneven gravitational pulls of the moon and sun on different parts of earth. - human life is more valuable than other forms of life on earth because humans are more intelligent than other organisms.

Which best describes carbon dioxide’s path out of the body