Which process is defined as breaking down rocks into smaller pieces without changing the rocks' compositions?

erosion

oxidation

chemical weathering

mechanical weathering

A bird species in danger of extinction has a population that is decreasing exponentially left parenthesis upper a equals upper a 0 e superscript kt right parenthesis.

What term best describes an organism that can contain up to five levels of organizations

The two basic types of cells that all cells can be grouped under are

Muscle contractions

Explain why the energy of the product might be lower than the energy of the reactants

When you scratch a mosquito bite, you damage some cells. Damaged cells release histamine, which causes localized swelling. The swelling can crush cells, causing them to release more histamine. This is an example of

With respect to the overwhelming similarity in behavior between males and females, how many PAIRS of chromosomes are unisex (seen in both males and females) ?

Which of these habitats has a high salinity? O A. River B. Stream c. Lake D. Ocean

Which statement describes a property shared by lipids and carbohydrates

When comparing lakes and oceans, most lakes have A) lower levels of salt. B) higher levels of salt. C) inconsistent levels of salt. D) about the same level of salt.