Na cross between two heterozygous individuals (eg. rr x rr), the expected phenotypic ratio of the offspring would bea)1: 2: 2: 1.b)1: 2: 1.c)1: 1.d)3: 1.

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

Which law represents a balanced chemical equation?

Ialready know the answers to these questions and they are on the attachment. but i just need to know why that answer is the correct one. plz asap! this is for a report that i need to email by 10!