6 Select all the correct answers.
Which two statements are true for the cross illustrated by this Punnett square?
R
R
r
직
Rr
r
Rr
Rr
R-smooth seeds, r-wrinkled seeds
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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

Many animals cannot sweat to maintain a stable body temperature. what is one other way animals can cool down?

Adigestive system that is a series of tubes beginning at the mouth and ending at the anus is a digestive system.