A small amount of chemical M was put on one side of maize coleoptiles. After some days, it was noted that the coleoptiles curved away from the side which the chemical was applied. (a) Suggest the possible identity of M?
(b)explain how this chemical might have caused the coleoptiles to curve?

Which represents a negative impact of technology

Which statements describe resources? one of the factors people use when deciding where they will live is the availability of resources. renewable resources have little value for people. resources are unevenly distributed throughout the world. energy is the world resource which has the highest use. the use of nonrenewable resources has decreased in recent history. the use of resources is evenly distributed throughout the world. the world's oil supply will last for the next forty years if its use continues as expected.

Aplant may open end close its stomata to prevent excess water loss and maintain