Please help i am giving away brainilest 1. A main function of the leaf petiole is

A. none of these

B. to keep the leaf away from the secondary meristem of the stem.

C. to produce pollen.

D. to extend the leaf blade away from the stem so the blade can collect sufficient sunlight.

no dam links

Adrought killed all the plants in an agricultural farmland. gradually, due to wind and some birds for. nearby areas, new plants started sprouting l. what stage of succession was taking place in the farmland? a) competition b) nudation c) ecesis d) reaction e) migration

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

During a fierce storm a large number of tall trees on an island are uprooted by the wind and die. most of the trees on the island are now short trees and produce seeds that grow into short trees. what concept is shown in this example? question 5 options: natural selection artificial selection genetic engineering gene splicing