Which scientist first said that planets travel in fixed paths or orbits

A) Kepler

B) Ptolemy

C) Galileo

D) Copernicus

In an adult human, does cell division rarely occurs in nerve cells?

A computer crossmatch requires that an ABO phenotype be performed on the current specimen and a second phenotype must be performed or available for confirmation of the blood type.

What is a wave in biology

The ATP made during fermentation is generated by which of the following? A) the electron transport chainB) substrate-level phosphorylationC) chemiosmosisD) oxidative phosphorylationE) aerobic respiration

01:02:57 Your teacher is describing a plant that bears seeds and flowers, has five flower petals, and has seeds that are enclosed by fruits. What kind of plant is he describing? gymnosperm o angiosperm obryophyte monocot

If Earth was not titted on its axis, what changes would you expect to see in the seasons?

Why are organelle important for cell homeostasis

In what way does the cerebellum coordinate and "fine tune" skeletal muscle movements? Check all that apply. It consciously coordinates minute muscle movements. It consciously coordinates minute muscle movements.

Hemoglobin transports oxygen in the blood and consists of a chain of 146 amino acids. how many different types of amino acids are used to construct proteins?

What is a change analysis survey?