Some infant babies are made entirely of soft,flexible tissue called cartilage that’s slowly replaced by hard bone as the baby develops.
What is the correct sequence of steps in cellular respiration, starting with glucose?
Answer:
- CMB radiation and a very early form of helium were discovered
- Redshift of distant stars and galaxies indicate the universe continues to expand.
Explanation:
After the big bang, the remnants of the explosion are perceived mainly in the microwave spectrum ( after photon decoupling phase) that continues to fade as it diffuses across the expanding universe. As the universe expands, it causes the wavelengths of the photons to increase (relative to the observer who will view the galaxies moving away from him in red-shift).
<span>The smallest unit of geologic time is epoch.</span>
Explanation:
Los fósiles se forman a través de varios tipos de fosilización: mineralización, carbonización, momificación, y fundición y moldes. El proceso más común es el de mineralización, en el que los minerales de aguas subterráneas se filtran en las partes duras del organismo, como huesos y conchas, y los petrifican o los convierten en piedra.