What is the probability of a heterozygous offspring? explain answer

What is the compliment dna strand to the following sequence: ttgactaggcta

Pls need ! in your opinion, what are the limiting factors that might affect the growth or diversity of our ecosystem? respond to this question in claim, evidence, reasoning format. 1. make your claim (i are the limiting factors that might affect the growth or diversity of our 2. follow the claim with 3 pieces of evidence. evidence may be taken from the reading, the videos, previous lessons, or googled answers. site sources, too. 3. use reasoning to explain why you chose your evidence.

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?