Which represents a theory?

I observed three stars in the sky. The stars give off light.

Light travels at 300,000 kilometers per second. Stars are balls of hot gases.

What cell structure protects and gives shape to a plant cell

What special features of adaptations do each of these organisms living in the rocky shore have which enable to survive this type of environment? Seaweeds (4) Limpet (4) Barnacle (4) Crab (4) Lichen (4) Sea Squirts

avier stepped on a splinter while walking barefoot. The splinter pierced deep into his foot and caused a great amount of pain. What is the appropriate pathway of pain sensation from the spinal cord into the brain

A cell containing 5% salt is placed into a glass of water with 20% salt. Which direction will water flow, assuming salt is too big to pass through the cell membrane?

Strains of the human papillomavirus (HPV) that cause cervical cancer express many genes that the cervical cells that they infect do not.

Where is the nucleus usually Located

During an initial assessment, the nurse measures the client's apical pulse and compares it to the peripheral pulse. the difference between the two is known as pulse:

Which statement is true for both plants and animals? 1. Plants and animals both use sunlight to generate ATP for energy. 2. Plants and animals both form ADP in the Calvin cycle. 3. Plants and animals both need to consume sugar to store energy. 4.

Why is the earth flat

How did Malthus's essay support Darwin's idea about natural selection? A. Malthus's essay did the opposite, as it did not support natural selection. B. Malthus proposed that an endless amount of resources would lead to greater competition. C.