C.) both secrete toxins and have thorns (It simply depends on what kind of plant it is)
Answer:
4.419 g
Explanation:
55 years is 5.5 half lives
200 g * (1/2)^5.5 = 4.419 g
Mixtures of sand and water or sand and iron filings, a conglomerate rock, water and oil, a portion salad, trail mix, and concrete (not cement).
Answer: 300mm
Explanation:
30cm x (10mm/1cm) x <em>(1mm/1mm)</em> = 300mm
<em>Btw, I'm not sure about the </em><u><em>(1mm/1mm).</em></u>
Answer:
NaI
Explanation:
Sodium has a charge of 1+ and iodine has a charge of 1-. They exist in a one-to-one ratio. Because they are ionic compounds, they go for the lowest ratio available.