Answer: Children are Especially Vulnerable to X-Ray Damage and Dental X-Rays Every Six Months, and Probably Every Year, May Cause More Harm Than Good
I believe the answer to your question is D
Answer:
If two heterozygous tall pea plants are crossed, the probability of their offspring being tall is 75%
Answer:
Explanation:
The first mass extinction is called the Ordovician-Silurian Extinction. It occurred about 440 million years ago, at the end of the period that paleontologists and geologists call the Ordovician, and followed by the start of the Silurian period. In this extinction event, many small organisms of the sea became extinct.