En las fanerógamas después de ser fecundadas se forma la:

What does resonance result in? quieter sounds frequency amplitude louder sounds

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

Explain how paleontologists use trilobite fossils as index fossils for various geologic time periods.