how could environmental problems in developing countries that result from global climate change affect the economics of developed countries, such as the united states?

Aperson travels 35 km in 0.4hrs, followed by 53 km in 0.6 hr. what is the average speed

The response is the basis for vaccination. primary secondary tertiary none of the above

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.