How might mars be different if its surface did not contain so much iron?

Football players often sustain lateral blows to the extended knee. which of the ligaments is (are) damaged as a result? a. suprapatellar b. oblique popliteal and extracapsular ligament c. medial collateral, medial meniscus, and anterior cruciate d. arcuate popliteal and the posterior cruciate

Which of the following is the most likely outcome of global warming

Coral have a symbiotic relationship with what in order to eat?