HELPHELP Which one of these would be useful and not useful when You crash land on the moon in your rocket and need to survive explain why it would and would not
1.compass
2.map of constellations
3.rope
4.three flashlights

Describe the iron sulfide hypothesis and the lipid membrane hypothesis.

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

What is the next step in muscle contraction after the actin changes shape? (apex)