Which group was at the top of the caste system

What type of current moves due to differences in salinity and temperature?

Describe the system of measurement most scientist use when collecting data and doing experiments

Which stress management technique combines physical exercises with breathing techniques?

Match the descriptions to the processes. A) Ice cream starts dripping down the sides of an ice cream cone. B) Fog is created by using dry ice. C) Frost forms on trees on a very cold day. D) The mirror gets fogged up when you breathe on it.

Which of the following can be inferred from the differences between the skulls of Australopithecus afarensis and Homo neaderthalensis?

Some embryos do not survive through to the fetal stage, which begins about two months after fertilization. When this happens, the mother is said to have had A) endometriosis. B) a miscarriage. C) a toxic shock. D) an implantation.

this is one explanation of enzyme specificity that states an enzyme and its substrate possess specific complementary geometric shape that fits exactly into one another

Why are magma and lava not considered to be rocks? A both are formed by weathering and erosion B Neither is solid C Gravitational or potential gravitational energy D All of these power the rock cycle

What damage does landslides cause?

Richard is a researcher in a pharmaceutical company. His company develops a new drug to treat chronic joint pain in humans. He wants to check the effect of this drug on a group of elderly people.