Which heat transfer mechanism requires molecules to actually touch each other? radiation, conduction, convection, none of these

Why did hurricane maria hit? what made the hurricane.

The gene pool for a particular population is made up of A) all the genes that occur in the population. B) the sum of all the heterozygous individuals in the population. C) all the alleles for a certain trait in a given individual.

Countries sign laws and treaties to protect different species. There is enough funding to supply the enforcement needed. True or False

Calcium supplements may be advisable for people who do not eat dairy products as it is difficult to reach recommended calcium needs otherwise. a. True b. False

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Autopsy on a stillborn fetus reveals cardiomegaly, hepatomegaly, edema, and ascites as well as fulminant intrauterine congestive heart failure. Considering these findings, what is the most likely cause of death? a. Alpha thalassemia minor b.

Which of these structures are found in both plant and animal cells? cell wall, mitochondria, ribosomes mitochondria, ribosomes, vacuoles vacuoles, chloroplasts, cytoplasm cytoplasm, cell wall, vacuoles

Each dna strand in a double helix contains all the information needed to make a new identical double helix.

What do biologists use to establish whether or not two organisms are the same species

The moon travels around Earth at a speed of about 1 km/s. Which of the following keeps the moon in orbit around Earth?