How is it possible that two brown-haired parents (dominant trait) have a blond-haired child (recessive trait)? Complete the Punnett square

Suggest why placing wheels under a heavy box reduces the neccessary force required to push it along at a constant speed.

The organelle pictured is found in cells of and is theorized to have once been an independent organism.

Choose one animal (cheetas) and research on the internet what has contributed to this animal becoming "endangered" or "threatened." what animal you have chosen? how long has the animal been endangered or threatened? what has contributed to this animal’s endangered or threatened status? why is it important to save this animal from extinction? after researching and gathering facts, write a 350-word letter from the point of view of an animal rights' activist. be sure to include at least five facts that you learned from your research.