I think its d) gps technology has led development of robotic tractors for planting,fertilization, and crop harvesting
Explanation:
Global energy demand is increasing due to industrial activity and advances in both developing and developed countries. ... The GHGs from geothermal energy systems for electrical power production and space heating applications are much lower than those from conventional fossil fuel energy systems [3,4].
Answer: answer below.
Explanation: Research for crude oil is also known as Petroleum.
Answer:
Cambium
Explanation:
The thin layer of living cells inside the bark of a tree.
