Burning a candle is a chemical change. What is the primary evidence that burning the candle is a chemical reaction?

In the process of photosynthesis, plant cells take in water (h2o) and carbon dioxide (co2) and release oxygen (o2). how is this different from what takes place in the process of aerobic respiration? a.

At first glance, it might seem counterintuitive with respect to energy use that many sharks must swim continuously or they will die. why is it important to their metabolic needs that sharks keep swimming? check all that apply.

Currents affect climate by

Name two elements that are liquid at the room temperature

TIME REMAN 58:24 Which is an example of when Hector's somatic sensory system is in control? 5 After a long run, his body is sweating. When jogging, he sees an ice patch and decides to change directions to a different route.

Which of these is an advantage of wind energy? A. It reduces bird and bat populations. B. It generates noise pollution. c. It generates electricity. D. It increases greenhouse gas emissions.

a group of of scientists is studying the internal parts of a cell. which microscope is most appropraite for these scientist to use

Which of the following choices is a biotic factor in the ecosystem? sunlight, water, deer, soil

Suppose that a given gene undergoes a mutation to its dominant allele such that two out of 100,000 offspring exhibit the new mutant phenotype. Assuming that these offspring are heterozygous, what is the mutation rate for the gene

A blood smear is used to diagnose malaria. In patients with malaria, the protozoa can be found near and inside red blood cells. Explain why a microscope capable of high magnification and high resolution would be meeded to diagnose malaria