a 3.8-kg infant was delivered vaginally at 39 weeks after a 30-minute second stage. there was a nuchal cord. after birth the infant is noted to have petechiae over the face and upper back. information given to the infant’s parents should be based on the knowledge that

a. are benign if they disappear within 48 hours of birth.
b. result from increased blood volume.
c. should always be further investigated.
d. usually occur with forceps delivery.

Why reason best illustrates why hershey and chase chose to use viruses in their experiment?

What drives an advertising campaign?

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.