Identify which statement represents a scientific law.

A) Black holes exist.

B) Some numbers are more lucky than others.

C) Energy can be neither created nor destroyed.

D) The core of the Sun has a temperature of 14.5 million Centigrade.

How do the plant cells placed in a medium for tissue culture change in terms of their degree of specialized?

Skeletal muscle is often replaced with a dense irregular connective tissue when the muscle is damaged, leading to what is commonly known as scar tissue.

Which word identifies the hanging icicle-shaped formations in caves that are created by deposition? sandbars sinkholes stalactites stalagmites

Suppose a butterfly with 16 chromosomes is able to produce offspring. How many chromosomes would the offspring receive from each parent? A) 8 B) 10 C) 16 D) 32

Diet and nutrition are closely linked to the study of biomolecules. how should you monitor your food intake to insure the cells in your body have the materials necessary to function?

Look at the word equation below. fatty acids → triglyceride water which describes the chemical reaction taking place? a. hydrolysis of fatty acids b. dehydration of triglycerides c. hydrolysis of triglycerides d. dehydration of fatty acids

Which sentence correctly uses a pronoun in the nominative case as a subject? a. Stefani and me stretch for thirty minutes prior to our vaulting competition. b. Prior to our vaulting competition, Stefani and I stretch for thirty minutes. c.

Why can the same earthquake have different ratings on the Richter Scale and the Moment Magnitude Scale?

Which of the statements best describes the process of crossing over during meiosis? Haploid daughter cells trade chromosomes in pairs. Homologous chromosomes pair up and exchange segments of DNA.

A marine clam is mistakenly added to a freshwater aquarium. What will happen to the clam and why? Popcorn sold at movie theaters is very salty, causing people to become thirsty and to buy so drinks. Explain why salty popcorn causes this thirst.