Menciona tres especies con reproducción sexual externa

Which best describes how the common cold spreads in the human body? a bacteria burst out of normal cells killing them b viruses replicate inside respiratory cells c bacteria inject dna into normal cells d viruses insert dna into bacteria

The cluster of developing cells from conception until birth is called an

What is true about all plutons? they form below earth’s surface. they form near earth’s surface. they form above earth’s surface. they cut across other rock layers.