How many alleles for blood type in humans?

Aquatic animals, in general, face more of a challenge when extracting oxygen from their environment than do terrestrial animals. Why?

How do scientist most often gaining knowledge

The length of the Titanic was 182 feet. Porter's history class is building a model of the Titanic. The model is 1/100 of the actual link of the ship. How long is the model?

Determine the cause of acceleration in each scenario. An airplane turning from south to west at constant speed is accelerating due to a change in. A biker going 7 m/s west after travelling north at 5 m/s is accelerating due to a change in.

Which statement comparing examples of renewable and nonrenewable resources is true? A. Geothermal energy is a nonrenewable resource because it can't be used up, but natural gas is a renewable resource because it will eventually run out. B.

What might a scientist analyze?

Which client is at greatest risk for the development of a venous thrombosis?

Which protist is characterized by a pseudopod? A. euglenoid B. slime mold C. ciliate D. sarcodine

Which of the following is an example of quantitative data? A. a solution cantains copper ion B. A plant has five flowers C. A solar system has nine planets

The Eocene period exists in Earth's history around 34 MYA. What could a scientist do to determine what era the Eocene period belongs to on the geologic time scale?