How far does a runner travel if they maintain a speed of 8.5 m/s for 240 s?

Which of the following is an effect of the uneven heating of the earth by the sun? a sea breeze a land breeze a convection current all of the above

In general, characteristics that an organism survive and reproduce become more common over time. what mechanism of evolution causes this?

The picture showed normal blood cells which are around and sickle cells which appear much longer people with sickle-cell suffer from the sickle cell anemia which is inherited diseaseit is caused by a change in gene responsible for production of hemo goblin this type of change is known as an