The prime minister reacted angrily to claims that he had lied to the House of Commons.
She reacted surprisingly calmly to the news of his death.
The government was very slow to react to the problem.
The evolution of catalysts had to be in parallel with the evolution of the molecular species reacting.
They belong to a different branch, characterised by the presence of microscopic coherence in the reacting system.
This latter finding indicates that there is more going on in the grassroots parties than just members reacting to the election.
