Answer:
after reading the comments I can conform that the first one is correct
Explanation:
I had a similar question on a test
6. a, 7. c, 8. b , 9. e , 10. d , 11. e, 12.c
Condensation and hydrolysis are changes which a solid can undergo to change the phase or identity. Condensation is a phase change that changes vapor to liquid. Hydrolysis on the other hand is the reaction with water that results in the breaking of chemical bonds
Answer:
Animals in Namibia are organized by their conservation in different zones of this place.
Explanation:
The huge diversity in Namibia’s eco system made it the richest place of South Africa in terms of species that this place have. This ecosystem has endemic species with a number of 14 in it.
To organise these species three biotic sectors in Namibia are utilized, they are- The Southern Savanna, the Southwest Arid and Dessert of Namib.
The wetland ecosystem of Arid is important for many species and the mammals also. The elephant of desert and the black rhinos belongs to the Namibia Dessert ecosystem.
Explanation:
Lichen is the best species to determine the pollution of air. They are highly sensitive to pollution and will barely be found growing on trees or rock in regions where the air has been polluted.
Worms are also a good indicators of pollution in the soil. Polluted soils will have very few to no worms.
Small invertebrates like the Caddisfly are used to determine pollution of water. They are very sensitive to water pollution and cannot be found in polluted waters. In addition toads and frogs are rare in polluted waters and air.
Learn More:
For more on bioindicators check out;
brainly.com/question/4563784
#LearnWithBrainly
