Which statement BEST explains why the Moon is visible from the Earth? 1) The Moon reflects light from the Sun.

2) The Moon is always lit up by the Sun for us to see.

3) The Moon reflects light from the Earth.

4) The Moon produces its own light through radiation.

The health, management and conservation of biodiversity, is a challenge facing ecosystems worldwide. the major factors that affect the health and function of the great barrier reef are climate change and pollution. which question investigates the effects of a biotic factor on the reef ecosystem?

How does the study of genetic disorders such as pku biologists understand normal alleles?

What is the next step in muscle contraction after the actin changes shape? (apex)