A rancher rode his horse around a piece of property for 6 hours to search for breaks in the fence, and then rode home. The diagram below shows the entire distance the rancher traveled.

What is coevolution? *
A. When two species evolve in response to each other
B. When 2 sub group of the same species evolve at the same time
C. When the environment and the animals within the environment evolve at the same time

(a) What human activity is responsible for the formation of smog and acid rain? (b) What kinds of harm does photochemical smog cause? (c) Do you think that photochemical smog levels are high during the winter or during the summer? Explain.

NO FILES OR I REPORT >:-((

HElp i will give you brainliest

Ocean water can be desalinated through the processes of reverse osmosis or heat distillation. Why don't we do this more often? Check all correct answers.



It's expensive.


It uses a great deal of energy.


We would drain the oceans.


We don't know how

We can drink water straight from the ocean without purifying it.



True

False

Identical rock types, identical fossils, and very similar mountain ranges are found on different continents that are separated by a wide ocean. Which of these best explains these observations?

True or False?

Density of ocean water is not affected by salinity (salt content).

1.What are the products in this equation? NaCl + AgNO3 --> NaNO3 + AgC
2.How many atoms make up the reactants in this equation? 2HCl + CaCO3 --> CaCl2 + H2O + CO2
3.Is this equation balanced? 2HCl + CaCO3 --> CaCl2 + H2O + CO2, Yes or no

Chemists predict the geometry of molecules based on the repulsion of electron pairs. Molecules can be represented by the general formula AXY, where Y is the number of peripheral atoms. We would expect the geometric shape of a molecule represented by the formula AX3 to be

A) linear.

B) tetrahedral.

C) trigonal planar Eliminate

D) trigonal bipyramidal

What is the SI unit for weight? NO LINKS I will give brainliest
(and no its not kg)

Which two minerals can be scratched by a knife but not copper coin?

Based on the pedigree, how many offspring from this cross had the recessive phenotype?

(17 Points)


one


two


three


five

Which statement is true about DNA?

Group of answer choices

. DNA contains genes that hold specific traits for an organism.

Organisms create their own DNA sequence that is not like their parents.

DNA is an exact copy from parent to offspring.

DNA is not necessary for an organism to reproduce.

The Koppen Classification System splits the world into 5 climate zones.

What was used to determine these 5 different zones?

There are 3 correct answers.

Vegetation

Temperature

Animal life

Precipitation

Water Quality