Answer:
<em>The correct option is C) chlorine</em>
Explanation:
Sea water contains salts in abundance. It can be described as the water which makes up the oceans and the seas. It is known to contain approximately 96.5% water and 2,5 percent of salts. Sodium and chloride ions are the most abundant salt ions to be found in the sea. The concentration of chloride ions is 0.546 mol/kg and the concentration of sodium ions is 0.469 mol/kg. Hence, chloride ions are slightly abundant than sodium ions.
Some of the challenges scientists might face when directly observing animal behavior in the wild are:
- Remote sensing
- Bio-logges
- Stationary field imaging techniques
<h3>What are animals?</h3>
These are living organisms which cannot produce their food by themselves but depend on other organisms for food .
Animals are generally classified as:
So therefore, some of the challenges scientists might face when directly observing animal behavior in the wild are:
- Remote sensing
- Bio-logges
- Stationary field imaging techniques
Learn more about animals:
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Answer:
That's what I had so far. 2) a. Lungs b. Closed
3) CO2 / Oxygen
Evolution. allele frequencies change so characteristics change and if this is over time it is evolution- "the change over time of allele frequencies"
Probability is the measure of the likeliness that an event will occur. So.. probability.
