Goldie Goldfish, a speed swimmer, loves to race around the park’s pond, which is 25m around. If she can swim 20 laps in 7200s, what is her speed?

My question says on my assignment. read the following scenarios and decide which of the properties of life are being described. the first one is. katherine stopped on the way to school to grab some donuts. 2. because a dog cannot sweat, it has to pant in order to stay cool. 3. an elephant trun had no bone but 4,000 muscles. i have no idea what i am supposed to anwer. i can't find the answer in my notes or book that i can understand anyway

Coral reefs support more species per unit area than any other marine environment on earth. what is one way coral reefs are important to the health of the biosphere

How can antibodies "remember" a particular bacterial invader or "antigen" on that invader?