The placenta forms from the combination of fetal tissue and tissue from what structure?

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

Tides that occur during the new and full moons

Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f