Asmoker feels more relaxed after a cigarette partly because a. of an intense placebo effect b. blood pressure and heart rate has gone up c. muscle tone has been reduced d. gastrointestinal activity has been inhibited

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

The body is protected against harmful flu viruses by

The term equestrian relates to which animal? bulls cows horses pigs