Two skaters stand facing each other. one skater’s mass is 60 kg, and the other’s mass is 72 kg. if the skaters push away from each other without spinning, a. the lighter skater has less momentum. b. their momenta are equal but opposite. c. their total momentum doubles. d. their total momentum decreases.

The production of cells during mitosis into specialized function is recombination or differentiation

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.

The phylogenetic tree illustrates the relationship between humans and our closest living relatives. the tree was based on biochemical comparisons, including dna and amino acid sequences. according to the biomolecular data, we could infer that