Carlos and Sarah both have cleft chins (a dominant trait). Their first child does not have a cleft chin. Show using a Punnett square show how this is possible. If they have two more children who do NOT have a cleft chin (making for three children without a cleft chin) what is the probability that the NEXT child will NOT have a cleft chin? please answer before May 25th 12 pm est

There are six elements that make up most of the human body. which of the following is not one of these six elements?

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Astudent drew the following flowchart to show the movement of nutrients. soil → roots → plants →? where does nitrogen go next? a. directly into nearby animals as nutrition b. directly into aquifers through condensation c. directly into the air through evaporation d. directly into nearby plants during fixation