(1.)How might an evolutionary biologist determine how closely related two different species are

Which strategy is an example of how companies may upgrade themselves to meet changing customer preferences? a.doing door-to-door sellingb.using billboards to advertise the productsc. making online shopping services availabled.giving discounts on products

Which number represents a basic ph, 4 or 9? numerical answers expected! answer for blank 1: i'll give

The big bang theory suggest that the universe is about - 300 million years old - 4.6 billion years old - 30 billion years old - 13 billion years old