Which is a function of root hairs? store food produced in the leaves protect the root from injury absorb water and nutrients transport food to the root

Which of the following statements is true of enzymes? a)they dont provide an active site for substrates to bind in a reaction b)they act on a specific type of substrate in a reaction c)they unusable after a reaction d)they change shape after a reaction

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

Consider the following reaction: 2h2 + o2 —> 2h2o a) what are the reactants in this reaction? b) what are the products in this reaction? c) how many molecules of oxygen are used in this reaction?