4. which of the following describes the use of renewable energy?

A) using natural gas to heat a house

B) using a windmill to grind grain

C) using petroleum to run a car

D) using coal

Donna is suffering from leg pain in which the calf muscles contract involuntarily

A typical cell in an animal's body is considered A. haploid. B. diploid. C. photosynthetic. D. prokaryotic.

Which of the following could have been components of membranes that covered pre-cells in ancient earth

What do you do if a girl takes off her clothes in front of you?

Diffusion is a type of active transport True False

A substance is on its fifth half-life. Which approximates the percentages of radioactive and stable isotopes, respectively? 96.9%; 3.1% 3.1%; 96.9% 12.5%; 87.5% 87.5%; 12.5%

Cephalopods are known for having highly developed nervous systems which includes a highly developed eye and the ability to change their coloration. Provide two ways that this is beneficial for organisms in this class.

What is cellular respiration and fermentation?

Why do fertilisers need to be soluble

Viruses, unlike bacteria, are not living organisms. Based on the information in the table, which of the following provides evidence to support this statement? A. Bacteria are made up of cells, whereas viruses are not made up of cells. B.