Mengapakah katak mempunyai telur yang berlendir?​

Identify the various levels of atmosphere. troposphere mesosphere exosphere stratosphere thermosphere

Describe two recent or ongoing space missions.

How can a geological time scale best be reconstructed? a) comparing vestigial structures in living species b) comparing homologous structures in living species c) examining homologous structures in fossil remains d) examining the written records of scientists from past cultures