astronomical event that occurs twice a year when the sun reaches its highest or lowest point in the sky at noon?

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

Why are some people more concerned about shark survival than about shark attacks?