"The rotating part of the microscope at the bottom of the body tube; it holds the objectives." -utahscience.oremjr.alpine.k12.ut.us
Answer:
Earth, Solar System, Milky Way galaxy, Universe.
Explanation:
Pls mark brainliest.
You can figure it out by looking at a sequence of rocks to try to decipher the times that an event occurred relative to the other events represented in that sequence. The relative age of a rock then is its age in comparison with other rocks. If you know the relative ages of two rock layers, (1) Do you know which is older and which is younger? (2) Do you know how old the layers are in years? so yeah séquences haha
Answer:
1. Essential organs form during early development
Explanation:
Harmful chemicals (toxins) cause the most disease when they are present during fetal development, because organ systems are being developed and the rate of growth is very fast.
