A) proton: positive charge
The name of the structure indicated by the question mark on this transverse cut of the developing embryo is the neural tube. This is further explained below.
<h3>What is a neural tube?</h3>
Generally, The neural tube is simply defined as the facilitator of the central nervous system
In conclusion, the neural tube is the brain and the spin.
Read more about Humans
brainly.com/question/18540902
Answer: photosynthesis
Explanation:the process by which plants take sunlight and carbon dioxide to produce starch and oxygen
Explanation: Elephants have been extensively hunted for ivory for more than 300 years, natural selection is often proposed as the underlying mechanism for an increase in the proportion of tuskless or small-tusked elephants in a population.
Let be the initial starting population be the
100 so
<span>100
200
400
800
</span>and after 1 month the population is doubled so
<span>P(x) = 100*2 = 200
</span>sofor 3 months
<span>0 100*2^0 = 100
1 100*2^1 = 200
2 100*2^2 = 400
3 100*2^3 = 800
....
x 100*2^x
</span>hope it helps
