A protostar forms once the nebular cloud condenses and the core begins to heat. To heat is the answer hope this helps you!!
Answer:
there was hunting and destruction of there habitats
Things going from low concentration to high concentration with ATP. An example would be the sodium potassium pump
If you talk about the process of fission in the nuclear field then the most used is U-235 because is the easiest to use. Have in mind that the majority of uses of uranium is U-238 but the easiest to be used is U-235
Many think that birds evolved from dinosaurs, they both have hollow bones, recent studies show that some Dinosaurs had feathers. if you were to compare the form of a Dinosaur to a chicken you would see that they walk and stand like each other. Also, the Genes show that they might have a distant relative. I hope this helps
