[請益] 四題地球科學的問題
想請問一下這四題的答案和原因
1.影響海水鹽度的溶解礦物 主要來源為下列何者?
a.大陸侵蝕 b.工業污染 c.冰原 d.熱帶風暴
2.台灣海峽平均海流流向是?
a.向東北 b.向西南 c.湧昇流 d.向路岸
3.距離1角秒是3.26光年 那半人馬座a星距離4.34光年差幾角秒呢?
a.大於 b.等於 c.小於一角秒 d.資料不足無法判斷
4.為什麼湖不容易吹起大浪?
a.風不夠大 b.吹不夠久 c.作風區域太小 d.方向容易改變
謝謝~~剛在做題目發現這幾題都找不到答案ˊˋ
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