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Mrac [35]
3 years ago
12

what natural substance forms from resin, a sticky substance inside trees that flows like syrup and protects the tree by trapping

insects? amber tar sap oil
Biology
2 answers:
gogolik [260]3 years ago
8 0

The answer to this is Amber, sap is wrong.

lidiya [134]3 years ago
7 0

C. Sap- appareently i have to use 20 characters so im just gonna keep typing lol

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if 10 calories of energy are added to 2 grams of ice at negative 30 C calculate the final temperature of the ice
elena55 [62]
Hello.

M*Cp*(T’-Tf)=MCp(T'-T)

M*= Mass of Water. ; M= Mass of ice.

Cp*= Specific heat of water

Cp= Specific heat of ice

T= Temp. Of Ice

T'= Temp. of water

Tf= Equilibrium Temp.


Have  a nice day

8 0
3 years ago
Which sentence accurately describes star clusters?
Elza [17]

Answer:

Stars form large groupings

Explanation:

A large group of stars that have a common origin and are gravitationally bound for some length of time is called star clusters. Star clusters provide a way to study the ages of stars and stellar evolution. There are two categories of star clusters i.e. galactic clusters, and globular clusters.

Out of the given options, we can say that the correct option is (b) "Stars form large groupings".

4 0
3 years ago
Read 2 more answers
Explain natural selection and adaptations of bacteria
faust18 [17]

Natural selection can cause speciation, which increases the biodiversity of an ecosystem. Several bacterial colonies are placed on a petri dish that contains agar with antibiotics. After 24 hours, ninety percent of the original bacteria die, but the remaining ten percent survive and later reproduce.

6 0
3 years ago
De acuerdo al siguiente enunciado, responda: "sus funciones son similares; difieren en su origen embrionario y en su plan de con
salantis [7]

Answer:

el enunciado hace referencia a estructuras análogas

Explanation:

La estructuras análogas (por ejemplo, órganos, tejidos, etc) son aquellas que cumplen la misma o similares funciones pero que poseen un origen evolutivo distinto (es decir, no comparten un antepasado común) y son producto de la convergencia evolutiva. Por el contrario, estructuras homólogas son aquellas que se caracterizan por tener un origen evolutivo común (comparten un antepasado común), independientemente de la función que cumplan. Las estructuras análogas se caracterizan por tener diferentes orígenes embrionarios y planes de construcción distintos (es decir, las células que dan origen a este tipo de estructuras son de linajes diferentes). Un ejemplo bien conocido de estructuras análogas son las alas de mariposas y murciélagos, las cuales cumplen la misma función pero no derivan de un antepasado común.

3 0
3 years ago
The purpose of peer review is to ensure that
blsea [12.9K]

Answer:

a scholarly work falls within the journal's scope, the research topic has been clearly formulated, a suitable approach has been taken to address the scientific issues involved.

Explanation:

8 0
2 years ago
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