The accepted scale of glass hardness is the _____ scale.
What will be an ideal response?
Mohs
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Animals that have external fertilization are most likely to reproduce in which of the following areas?
A) sand dune B) polar ice sheet C) shallow lake D) tallgrass prairie
The second meiotic division is essentially a mitosis division except for the fact that the cell are?
A. Diploid B. Haploid C. Autosomal D. Polyploidy E. Somatic
Plants living in standing water often face which of the following problems?
A. Increased CO2 levels B. Loss of stomata C. Harmful root pressure D. Oxygen deprivation E. Chilling of the roots
The accompanying figure shows that humans have thicker thumb metacarpals than chimpanzees or bonobos, with broader heads. This is directly correlated with humans' ________
A) bar-shaped central portion of the hyoid bone B) increasing dependence on meat in the diet C) more elaborate thumb musculature and better precision grip D) loss of the ability to knuckle-walk E) loss of an arboreal (tree-based) lifestyle