横向
1
Substance with pH below 7
3
Unit of heredity
5
Force that attracts objects together
6
Gas form of a liquid
9
Tectonic landmass section
纵向
2
Reddish electrical conductor
4
Molten rock beneath Earth surface
7
Biological catalyst
8
Our home planet
Substance with pH below 7
Unit of heredity
Force that attracts objects together
Gas form of a liquid
Tectonic landmass section
Reddish electrical conductor
Molten rock beneath Earth surface
Biological catalyst
Our home planet