Answer: d
Remember you always have to have the opposite letter (Chargaff’s rule). A=T G=C vice versa T=A C=G.
I hope this helps, I’m sorry if it’s a but confusing:)
The answer is either the second one or the fourth one.
Answer:
On Earth, human activities are changing the natural greenhouse. Over the last century the burning of fossil fuels like coal and oil has increased the concentration of atmospheric <u><em>carbon dioxide</em></u> (CO2). This happens because the coal or oil burning process combines carbon with oxygen in the air to make CO2.
Explanation:
Brainliest when you can if you will please!!!!!
Answer:
D. An observation is based on evidence, an inference is not.
Explanation:
When you infer something, you're basically guessing at it, while an observation is something that you can see and prove.
Answer:
A
Explanation:
The end of the germinal period is marked by the implantation of the blastocyst in the wall of the uterus.
