Consider the genetic cross for sex in

Consider the genetic cross for sex in humans. XX is female and XY is male. A family has 4 children, all girls. What are the chances that the family will have a boy as their fifth child?humans. XX is female and XY is male. A family has 4 children, all girls. What are the chances that the family will have a boy as their fifth child?

Tara sees a commercial for a brand of pills that promise to boost energy and people perform better in work and school. as people in the commercial talk about how much better they feel when taking the pill, tara notices a message on the bottom of the screen that reads, "this pill is not approved by doctors and has not been tested in controlled experiments." what is the best conclusion that tara should make about the commercial? it is making scientific claims based on subjective observations. it is making scientific claims based on opinions instead of pseudoscientific facts. it is making pseudoscientific claims based on objective observations. it is making pseudoscientific claims based on opinions instead of scientific facts.

The main ingredient of magma is a pahoehoe. b silca c dissolved gases d obsidian

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles